300 GSM Heavyweight Blank T-Shirts Developed in Portugal for Premium Brands
These are not standard blanks.
Our 300 GSM heavyweight blank t-shirts are developed in-house in Portugal, from fabric construction to garment dyeing, and used by premium streetwear labels, private label brands and independent designers who want a base that performs.
Structured, pre-shrunk and print-ready from day one. Available in core and seasonal colors with no minimum order on in-stock styles.
Heavyweight cotton jersey, not a midweight compromise
Order from 1 piece on all in-stock colors
Developed and produced in-house, not outsourced
300 GSM White T-Shirt
300 GSM Vintage White T-Shirt
300 GSM Light Gray T-Shirt
300 GSM Black T-Shirt
300 GSM Vintage Black T-Shirt
300 GSM Black Sun Faded T-Shirt
300 GSM Pyrite Sun Faded T-Shirt
300 GSM Navy T-Shirt
300 GSM Ensign Blue Sun Faded T-Shirt
300 GSM Blue T-Shirt
300 GSM Ice Blue T-Shirt
300 GSM Green T-Shirt
300 GSM Olive T-Shirt
300 GSM Brown T-Shirt
300 GSM Hazel T-Shirt
300 GSM Apricot T-Shirt
300 GSM Creme T-Shirt
300 GSM Pink T-Shirt
300 GSM Burgundy T-Shirt
300 GSM Red Flame T-Shirt
Optional insurance available at checkout for complete peace of mind.
Track every step from our warehouse to your door.
Your orders ship via UPS Express, ensuring premium handling and real-time tracking from Portugal to your door.
European orders ship via TNT, offering rapid transit times across the EU with full tracking.
Product Specifications
300 GSM Heavyweight T-Shirt
Built for Brands, Not Resellers
Our 300 GSM blank t-shirts are not licensed from a manufacturer in another country. We develop the fabric spec, control the knit, the dye and the finish in-house in Portugal.
That means:
• Consistent fits across reorders: same weight, same drape, same measurements
• No surprise shrinkage: pre-shrunk garments with 0–3% tolerance
• Untagged blanks: ready for your labels, your packaging, your brand
• No MOQ on core colors: order what you need, when you need it
• Direct access to our product team for volume, samples and custom projects
Used by 200+ independent labels, streetwear brands and merch projects across US, Europe and beyond.
Sizing Guide
Frequently asked questions
GSM stands for grams per square meter. It measures how dense and heavy the fabric is. A 300 GSM t-shirt is significantly heavier than a standard tee (typically 160–220 GSM), delivering more structure, shape retention and a premium hand-feel.
No. Our 300 GSM jersey is heavyweight in the right way, structured and substantial, but not stiff or uncomfortable. It drapes well and remains breathable in everyday conditions.
No minimum order on all in-stock colors. You can order from 1 piece. Made-to-order and custom colors may have MOQ requirements.
Yes. Our 300 GSM cotton jersey performs with screen printing, DTF, DTG, puff print and embroidery (flat and 3D). Samples are available to test.
All our 300 GSM blank t-shirts are developed and produced in-house in Portugal. We control every step. Fabric, construction, dyeing and quality control.
No. All t-shirts are delivered untagged and without external branding, ready for your own labels and private label packaging.
Expected shrinkage is 0–3% when washed at 30°C. Fits remain stable across multiple washes
Yes. We offer individual samples by color and decoration method. Register for wholesale and access our sample collection.
Yes. We ship worldwide. European orders via TNT, US orders via UPS Express.