STAY-COOL WICKINGLAYERABLE WARMTHSTRETCHFLATLOCK SEAMS FOR COMFORTREFLECTIVE DETAILS 91/9 poly/spandex jersey with stay-cool wicking technology Lightly brushed interior Reflective OGIO Endurance heat transfer label for tag-free comfort Zip-through cadet collar with molded cord pull Reflective O heat transfer at back neck Raglan sleeves with shaped cuffs Drop tail hem with reflective stacked O heat transfers at lower back panels Reflective O Endurance heat transfer at front left hem