Unique 3-layer construction has air pockets on the inside that trap warmth without losing breathability, so it keeps you cool when you're moving & warm when you're not. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Encased elastic waistband with flat front & external drawcord. Open hand pockets. Tapered leg fit with elastic cuffs. Inseam: 31".