From the manufacturer

Men's UA Tactical Tech Short Sleeve T-Shirt

UA Tech is our original go-to men's training t-shirt: loose, light, and it keeps you cool. It's everything you need.

• Loose: Fuller cut for complete comfort.
• Lightweight UA Tech fabric with an ultra-soft, natural feel for unrivaled comfort
• Material wicks sweat & dries really fast
• Smooth, chafe-free flatlock seam construction