Stay-cool wicking. Ultrabreathable. Flatlock seams. Reflective details. OGIO Endurance heat transfer label for tag-free comfort. Raglan sleeves with contrast flatlock seams. Contrast flatlock side seams. Reflective O heat transfer on left sleeve. Reflective stacked O heat transfers at center back. Reflective O Endurance heat transfer at front left hem. 100% Poly Jersey.