Layerable warmth. Stretch. Flatlock seams. Reflective details. Zip-through cadet collar. Reflective OGIO Endurance heat transfer label for tag-free comfort. Reflective O heat transfer at back neck. Tonal printed O pattern on heathered yarn-dyed fabric. Rubber-wrapped O zipper pull. Set-in sleeves. Reflective O heat transfer at right sleeve. Shaped cuffs. Front pockets. Reflective O Endurance heat transfer at front left pocket. 90% Poly / 10% Spandex.