The GYM DADDY® MUSCLE UP! SHIRT is crafted from a hi-tech, lightweight fabric to ensure you stay dry, cool and supported through your longest runs, heaviest lifts, and toughest drills. The MSUCLE UP! SHIRT offers a sleek look with bold reflective MUSCLE print. The shirt ais engineered with  A/C TECH ventilated mesh panels. Targeted support seams add a sleek, compressive feel so you can Keep up and Muscle Up!