Jerzees 21MR DRI-POWER SPORT T-Shirt: Complete Style Guide

The Jerzees 21MR DRI-POWER SPORT is the brand's top-tier performance tee, built entirely from 100% polyester with advanced moisture-wicking and Odor Shield antimicrobial technology. Designed for athletic programs, gym brands, sports teams, and outdoor events, the 21MR delivers professional-grade performance at a fraction of the cost of Nike or Under Armour blanks.

For the full Jerzees catalog, see our Jerzees Shirt Size Chart Complete Guide.

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Jerzees 21MR Specifications

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Complete Jerzees 21MR Size Chart

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DTF Printing Guide for 100% Polyester

Printing DTF transfers on 100% polyester like the 21MR requires modified settings compared to cotton or blended fabrics. Polyester is heat-sensitive and can scorch, dye-migrate, or melt at temperatures above 320°F.

Recommended Press Settings

### Polyester-Specific Tips Dye migration risk — Dark polyester garments (especially red, black, and royal) are prone to dye sublimation at high temperatures. The polyester dye can migrate through the DTF transfer, causing color bleeding or a ghosting effect. Use low-temperature DTF films designed for polyester when available. Pre-press is critical — Press the garment for 3–5 seconds before applying the transfer to remove all moisture. Polyester holds moisture in its fibers, and steam during pressing can cause the transfer to bubble or not adhere properly. Reduced time — Use a shorter press time (10–12 seconds vs the standard 15 seconds for cotton) to minimize heat exposure. Odor Shield compatibility — The antimicrobial Odor Shield finish does not interfere with DTF adhesion. No special preparation is needed beyond standard polyester precautions.

For complete temperature guidelines, see our DTF Transfer Temperature Guide.

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Jerzees 21MR Color Options

The 21MR is available in 12+ athletic-focused colors:

The color palette is designed for team uniforms, corporate events, and athletic applications where performance fabrics are expected.

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Where to Buy the Jerzees 21MR Wholesale

SanMar — Jerzees 21MR — Full color selection, bulk pricing, same-day shipping. S&S Activewear — Jerzees 21MR — Competitive pricing, fast fulfillment. JiffyShirts — Jerzees 21MR — No minimums, great for samples and small orders.

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Jerzees 21MR vs Competitors

Choose the 21MR when: You want odor control included and a slightly heavier-weight polyester for a more substantial feel. The Odor Shield technology is a differentiator for gym, fitness, and outdoor applications.

For more on polyester DTF printing, see our DTF vs Sublimation Comparison.

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Frequently Asked Questions

Can you DTF print on 100% polyester?

Yes, but you must use lower temperatures (290–300°F), shorter press times (10–12 seconds), and always use a Teflon sheet barrier. The main risk is dye migration on dark colors, which causes the garment dye to bleed through the transfer.

What is Odor Shield?

Odor Shield is Jerzees' antimicrobial technology woven into the 21MR fabric. It inhibits the growth of odor-causing bacteria, keeping the shirt fresher longer during physical activity. It does not wash out and lasts the life of the garment.

Is the 21MR good for sublimation?

The 21MR in white and light colors works well for sublimation printing since it is 100% polyester. However, for DTF printing on any color, follow the polyester-specific guidelines in this guide.

Does the 21MR come in youth sizes?

No. The 21MR is adult unisex only (S–3XL). For youth performance tees, look at the Jerzees 21BR or alternative youth polyester options.