Mountain Hardwear Butter Lightweight Glove 100% Polyester Imported LIGHTWEIGHT: Can be worn alone on a cold day when you need maximum dexterity -- but youll find they make a great wicking liner. MOISTURE WICKING: Polyester construction wicks away moisture and retains heat. FUNCTION: Flatlock seams for increased sensitivity and dexterity LIMITED LIFETIME WARRANTY: Limited Lifetime Warranty covers defects in materials and workmanship for the practical lifetime of Mountain Hardwear brand products manufactured by Mountain Hardwear