{"product_id":"300g-heavyweight-long-sleeve-t-shirt","title":"300G Heavyweight Long-Sleeve T-Shirt | Pure Cotton Oversized Fit","description":"\u003ch2\u003eQuick B2B Sourcing Overview\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003eFabric Weight:\u003c\/strong\u003e 300G (10.58oz) | \u003cstrong\u003eMaterial:\u003c\/strong\u003e Pure cotton, long-staple | \u003cstrong\u003eFit:\u003c\/strong\u003e Oversized, loose-fitting | \u003cstrong\u003eFinish:\u003c\/strong\u003e Pre-washed, vintage | \u003cstrong\u003eFeatures:\u003c\/strong\u003e Breathable, moisture wicking | \u003cstrong\u003eSleeve:\u003c\/strong\u003e Long sleeve | \u003cstrong\u003eCollar:\u003c\/strong\u003e O-Neck\u003c\/p\u003e\u003ch2\u003eAttribute Data Matrix\u003c\/h2\u003e \u003ctable style=\"width: 100%; border-collapse: collapse; padding: 9px;\"\u003e \u003cthead style=\"background: #E9E4E0; color: rgba(112, 74, 76, 0.89);\"\u003e \u003ctr\u003e \u003cth style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eAttribute\u003c\/th\u003e \u003cth style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eSpecification\u003c\/th\u003e \u003cth style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eNotes\u003c\/th\u003e \u003c\/tr\u003e \u003c\/thead\u003e \u003ctbody\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eProduct Name\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e300G Heavyweight Long-Sleeve T-Shirt\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eOversized fit\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eMaterial\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003ePure cotton, long-staple cotton\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFabric Type: Long-staple cotton\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFabric Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e300G (10.58oz)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eHeavyweight construction\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFit Type\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eLoose-fitting \/ Oversized\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eRelaxed silhouette\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eCollar\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eO-Neck\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eClassic crew neck\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eSleeve Style\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eLong Sleeve\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eYear-round wear\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eTechnics\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eWashed (pre-washed)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eVintage finish\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFeature\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eBreathable, moisture wicking\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eActive performance\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003ePackage Size\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e35 x 32 x 5 cm\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eSingle unit\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eUnit Gross Weight\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e1.0 kg\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eIncluding packaging\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eLead Time (1-500 pcs)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e15 business days\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFrom order confirmation\u003c\/td\u003e\n\u003c\/tr\u003e \u003ctr\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eLead Time (501-1,000 pcs)\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003e30 business days\u003c\/td\u003e\n\u003ctd style=\"padding: 9px; border-radius: 0px; border: 1px solid #ddd;\"\u003eFrom order confirmation\u003c\/td\u003e\n\u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e\u003ch2\u003eTechnical Comparison Analysis\u003c\/h2\u003e \u003cp\u003e\u003cstrong\u003e300G Heavyweight vs. Standard 180-220G Lightweight Cotton T-Shirt:\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eThis t-shirt uses 300G (10.58oz) fabric—significantly heavier than standard 180-220G shirts. The heavier weight provides superior durability, with fabric resisting pilling and maintaining shape through repeated washing. The 300G fabric drapes differently, offering a structured silhouette that doesn't cling—important for oversized fit designs. Standard 180G shirts are more breathable in hot weather but lack the premium feel and durability of 300G. The 300G fabric also provides better print surface, particularly for screen printing, as the heavier weight reduces ink bleed-through. The pre-washed finish ensures the 300G fabric is soft from the first wear, eliminating the stiff feel typical of some heavyweight cottons.\u003c\/p\u003e \u003cp\u003e\u003cstrong\u003eLong-Staple Cotton vs. Regular Cotton:\u003c\/strong\u003e\u003c\/p\u003e \u003cp\u003eLong-staple cotton fibers measure 1.5-2 inches in length, compared to 0.5-1 inch for regular cotton. Longer fibers produce yarns with fewer exposed ends, resulting in smoother, softer fabric that pills less over time. The 300G weight combined with long-staple cotton provides a premium feel that regular cotton at the same weight cannot match. Long-staple cotton also absorbs dye more evenly, producing richer, more consistent colors—important for custom printed programs where color consistency matters across a production run.\u003c\/p\u003e\u003ch2\u003eMulti-Scenario Buyer Applications\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eScenario 1: Brand Merchandise Manager — Streetwear Brand Seasonal Collection\u003c\/strong\u003e\u003cbr\u003e A streetwear brand needed 500 custom 300G t-shirts for a seasonal collection launch. The brand manager required custom screen printing with a 4-color logo on the front of the oversized, loose-fitting t-shirt. The 300G heavyweight fabric was selected for its premium feel and structured drape—essential for the brand's aesthetic. The pre-washed finish provided the vintage look the brand wanted without requiring additional processing. The 15-day lead time at the 1-500 piece tier allowed the brand to receive the shirts 3 weeks before the collection launch. The supplier provided a pre-production sample for color approval before the full run. The collection sold 80% of inventory within 4 weeks, and the brand reordered at 1,000 pieces for the next season.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eScenario 2: Corporate Gift Buyer — Employee Appreciation Program\u003c\/strong\u003e\u003cbr\u003e A tech company needed 300 custom t-shirts for an employee appreciation program. The corporate gift buyer required embroidery on the front chest—a subtle branding approach. The 300G heavyweight cotton was chosen for durability and comfort for everyday wear. The moisture wicking feature was a bonus for employees who wore the shirts during outdoor activities. The pre-washed finish eliminated shrinkage concerns—critical for a one-size-fits-all program. The 15-day lead time allowed the shirts to arrive before the quarterly company off-site. The supplier provided a pre-shipment photo showing the embroidery placement before the order was shipped via express air. Employees wore the shirts to the event, and the company reordered at 500 pieces for a holiday gift program.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eScenario 3: Uniform Program Coordinator — Hospitality Chain Staff Apparel\u003c\/strong\u003e\u003cbr\u003e A hospitality chain needed 1,000 custom t-shirts for front-of-house staff across 20 locations. The uniform coordinator required custom screen printing on the front chest and back with the company logo and location names. The 300G heavyweight cotton was selected for durability—staff would be washing these shirts frequently. The pre-washed finish ensured the shirts would maintain size and softness after repeated laundering. The moisture wicking feature was valued by staff working in active environments. The 30-day lead time at the 501-1,000 piece tier allowed for bulk production with location-specific printing. The shirts were shipped via sea freight in 20 cartons to the company's distribution center. The chain established an annual reorder program, maintaining the same 300G heavyweight spec.\u003c\/p\u003e\u003ch2\u003eFAQ Matrix\u003c\/h2\u003e\u003cp\u003e\u003cstrong\u003eQ: Can I order a sample with my custom logo, and how long does it take?\u003c\/strong\u003e\u003cbr\u003e A: Yes, sample orders with custom logo are available with a 7-day lead time. The sample cost is deducted from your bulk order after confirmation. We recommend ordering a sample to verify the 300G fabric feel, oversized fit, pre-wash finish, and print quality before scaling. For color matching on the 300G cotton, we recommend approving a physical print sample before full production—the pre-washed fabric can show color drift compared to digital proofs.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the estimated shipping weight for a 500-piece order, and what are the carton dimensions?\u003c\/strong\u003e\u003cbr\u003e A: Each unit has a single package size of 35x32x5 cm and a gross weight of 1.0 kg. A 500-piece order weighs approximately 500 kg excluding master cartons. Carton dimensions depend on packing style—standard cartons hold 20-50 t-shirts. Express shipping is cost-effective up to 200 units; sea freight LCL becomes more economical for 500+ units. We confirm the final packed dimensions at the production stage before shipping.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What is the per-unit cost for custom tags or labels, and what are the options?\u003c\/strong\u003e\u003cbr\u003e A: Custom tags and labels options are available—discuss specific requirements with the supplier at quoting stage. Options include woven neck labels, printed care labels, hang tags, and custom polybags. The cost depends on the label type, material, and quantity. Lead time for custom labeling may extend production by 2-3 days depending on complexity. The 300G heavyweight fabric supports woven labels well without showing through.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eQ: What QC checks happen before my order ships, and can I request a third-party inspection?\u003c\/strong\u003e\u003cbr\u003e A: Standard QC includes fabric weight verification (300G\/10.58oz), stitching inspection, and print alignment check. Needle detection is performed. We apply AQL 1.5 for critical defects (fabric weight deviation, stitching failures, print errors) and AQL 2.5 for minor defects (slight color variation, loose threads). Defective units are reworked. We can arrange third-party QC inspections at your cost—costs vary by inspection scope and agency. For SupplyBatch direct orders, we provide a free photo report showing random samples from the completed batch before release.\u003c\/p\u003e\n\u003cbutton class=\"header-cta-btn header-cta-btn--quote\" type=\"button\" data-open-header-quote\u003eGet a Quote\u003c\/button\u003e","brand":"SupplyBatch","offers":[{"title":"Olive green \/ L","offer_id":48751697756317,"sku":"108367407776","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Olive green \/ Xl","offer_id":48751697789085,"sku":"108367407777","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Olive green \/ M","offer_id":48751697821853,"sku":"108367407778","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Olive green \/ Xxl","offer_id":48751697854621,"sku":"108367407779","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Olive green \/ S","offer_id":48751697887389,"sku":"108367407780","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ L","offer_id":48751697920157,"sku":"108367407781","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ Xl","offer_id":48751697952925,"sku":"108367407782","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ M","offer_id":48751697985693,"sku":"108367407783","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ Xxl","offer_id":48751698018461,"sku":"108367407784","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Black \/ S","offer_id":48751698051229,"sku":"108367407785","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Khaki \/ L","offer_id":48751698083997,"sku":"108367407786","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Khaki \/ Xl","offer_id":48751698116765,"sku":"108367407787","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Khaki \/ M","offer_id":48751698149533,"sku":"108367407788","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Khaki \/ Xxl","offer_id":48751698182301,"sku":"108367407789","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Khaki \/ S","offer_id":48751698215069,"sku":"108367407790","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Dark blue \/ L","offer_id":48751698247837,"sku":"108367407791","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Dark blue \/ Xl","offer_id":48751698280605,"sku":"108367407792","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Dark blue \/ M","offer_id":48751698313373,"sku":"108367407793","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Dark blue \/ Xxl","offer_id":48751698346141,"sku":"108367407794","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Dark blue \/ S","offer_id":48751698378909,"sku":"108367407795","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Charcoal gray \/ L","offer_id":48751698411677,"sku":"108367407796","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Charcoal gray \/ Xl","offer_id":48751698444445,"sku":"108367407797","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Charcoal gray \/ M","offer_id":48751698477213,"sku":"108367407798","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Charcoal gray \/ Xxl","offer_id":48751698509981,"sku":"108367407799","price":9.63,"currency_code":"USD","in_stock":true},{"title":"Charcoal gray \/ S","offer_id":48751698542749,"sku":"108367407800","price":9.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0761\/1354\/3325\/files\/H7f118d85737d46699c681faa2072d6adO.webp?v=1785919517","url":"https:\/\/www.supplybatch.com\/products\/300g-heavyweight-long-sleeve-t-shirt","provider":"SupplyBatch","version":"1.0","type":"link"}