STAY-COOL WICKING ULTRABREATHABLE FLATLOCK SEAMS FOR COMFORT REFLECTIVE DETAILS 4.4-ounce, 100% poly jersey with stay-cool wicking technology OGIO 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 heat transfer at front left hem