• STAY-COOL WICKINGODOR CONTROLZONED VENTILATIONSTRETCHFLATLOCK SEAMS FOR COMFORTREFLECTIVE DETAILS • 5.6-ounce, 88/12 poly/spandex jersey body • 4.1-ounce, 92/8 poly/spandex mesh panels • Reflective taping at front and back raglan sleeves and zipper • Mesh at center back • Reflective O heat transfer at back neck • Reflective stacked O heat transfers at back and sleeves • OGIO Endurance heat transfer label for tag-free comfort • Modified raglan sleeves with thumbholes for warmth • Slight drop tail hem • Reflective O Endurance heat transfer at right hem