This Is Where You Find Out What You're Made Of.

The gym. The trail. The track. Wherever you push your limits, the Rise Above Mountains Proving Grounds Muscle Shirt is built to keep up. Constructed on the Sport-Tek ST352 PosiCharge® Competitor™ blank, this 3.8 oz. 100% polyester interlock sleeveless tee is engineered for performance — moisture-wicking, UV-protective, and lightweight enough to disappear when you're in the zone. The PosiCharge® technology locks in color so it stays as sharp after 100 washes as it did on day one.

This is the shirt you wear when you're not messing around.

Why You'll Love It

3.8 oz. 100% polyester interlock with PosiCharge® technology — color-locking performance fabric that stays vibrant wash after wash
Moisture-wicking construction — pulls sweat away fast so you stay dry and focused through every rep and every mile
UV protection performance — built-in sun protection for outdoor training sessions and trail runs
Sleeveless team fit — unrestricted range of motion for lifting, running, and everything in between
Removable tag — tagless comfort so nothing distracts you when you're locked in

Available in White, True Royal, True Navy, Silver, Lime Shock, and Black — in sizes XS through 4XL.