WARNING! This product will melt when exposed to extreme heat or open flames, posing a risk of serious injury where melted product comes into contact with skin! ColdGear® Infrared uses a soft, thermo-conductive inner coating to absorb and retain your own body heat. Dual-layer fabric gives you a soft, warm interior & a smooth, fast-drying exterior. 4-way stretch construction moves better in every direction. Material wicks sweat & dries really fast. Quick-dry fabrication keeps you light & comfortable. Anti-odor technology prevents the growth of odor-causing microbes. Smooth, chafe-free flatlock seam construction. Tonal logo. Working fly. Inseam: 30".