Burton Men's AK Power Grid Hood Body:100% Polyester Imported Polartec Power Grid 100% polyester fabric construction provides ultimate quick-drying warmth and next-to-skin comfort Polygiene Stink-Proof finish prevents lingering odors; Softlock seams eliminate overlapping fabric for comfort Lycra thumbhole cuffs keep the sleeves locked in place Extra long body so you can strap in without your shirt coming untucked One-year warranty