Everything You Need to Know About Choosing Sublimation Shirts

If you are in the custom apparel business, you know that the secret to a professional, vibrant finish isn't just the quality of your ink or your heat press—it’s the "blank" you start with. In the world of sublimation, the shirt isn't just a garment; it’s a chemical canvas.

Choosing the wrong fabric can lead to faded designs, scorched material, or complete printing failure. This guide will walk you through everything you need to know about choosing sublimation shirts to ensure your brand delivers retail-quality results every time.

Why Material Composition is Everything in Sublimation

Sublimation is a process where heat turns ink into a gas, which then bonds with synthetic fibers. Because of this chemical reaction, the fabric composition is the single most important factor.

• The 100% Polyester Rule: For the most vibrant, "pop" colors, 100 polyester shirts are the industry gold standard. Since there are no natural fibers for the gas to escape from, the ink bonds entirely with the shirt.
• The Poly-Blend Spectrum: You can sublimate on blends (like 65% polyester / 35% cotton), but the result will be different. The ink will only bond with the polyester, leaving the cotton fibers uncolored. This creates a popular "vintage" or "distressed" look, but it will never be as bright as a full synthetic garment.

Essential Features to Look for in Sublimation Blanks

Beyond just the tag, you need to consider the physical properties of the shirt:

1. Color: Sublimation ink is transparent. To see your design clearly, you must use white or very light pastel blanks. Printing on a dark or black shirt will result in the design "disappearing" into the fabric.
2. Hand-Feel: Modern technology has moved past the shiny, "plastic-feel" polyester of the past. Look for "spun polyester" or "cotton-feel" blanks. These offer the comfort of a standard tee with the high-performance printability of polyester.
3. Fabric Weight (GSM): If you are building a premium streetwear brand, look for heavyweight polyester. For activewear or promotional events, a lighter, more breathable GSM is usually preferred.

Top Types of Shirts for Sublimation Printing

At Outlashwear, we categorize sublimation blanks based on their end-use to help you choose faster:

• Performance Blanks: Moisture-wicking and lightweight, perfect for jerseys and gym wear.
• Fashion Blanks: These feature a softer texture that mimics cotton, ideal for lifestyle brands.
• Sublimation Sweatshirts: Don't limit yourself to tees. Polyester-face hoodies allow for large-scale back prints that won't crack or peel.

Troubleshooting Common Issues

Even with the best sublimation shirts, technique matters. To avoid "press lines" (the rectangular mark left by the heat press), try using foam pillows or tearing the edges of your transfer paper for a softer transition. If you notice "scorching" (yellowing of the fabric), lower your temperature slightly and increase the pressing time.

Why Buying Wholesale Sublimation Blanks is a Game Changer

Scaling an apparel business requires consistency. By sourcing your wholesale shirts for printing from a reliable supplier like Outlashwear, you ensure that the shirt you print today will be the exact same quality as the one you order six months from now.

Browse our full collection of premium Shirts at Outlashwear today!

FAQ: Frequently Asked Questions

1. Can I sublimate on 100% cotton shirts?

No. Sublimation ink will not bond with cotton fibers and will completely wash out after the first cycle. For cotton-like results, use a 100% polyester "cotton-feel" blank or a high-polyester blend.

2. Why does my design look faded after the first wash?

This usually happens if you use a shirt with low polyester content (less than 60%). The ink washes out of the natural fibers (cotton), leaving only what bonded with the synthetic fibers.

3. Do I need a special coating on the shirts to sublimate?

If you are using 100% polyester shirts, no coating is needed. The fabric itself is ready to bond with the gas. Special coatings are only used when trying to sublimate on non-polyester surfaces like ceramics or treated cotton.