HEATLOK THERMAL COTTON LAYER FOR COLD WEATHER - Heatlok is a high-tech air system of hollow fibers and microfiber that provides warmth and breathability without excess bulk or loss of dexterity. The Heatlok system "traps" body heat, creating a thermal barrier combined with the polar fleece to keep your hands warm. -30?F(extreme temperature) to -10?F(comfortable temperature) COMFORTABLE, WINDPROOF AND FIVE-FINGERS FOR OUTDOOR SPORTS IN WINTER - These winter gloves inserted with waterproof and breathable TPU membrane between fluffy fleece and heatlok insulated cotton in the hand back, protect your hands against the heavy snow and light snowmelt. But They are not absolutely waterproof. PERFECT SOFTNESS AND FLEXIBILITY FOR WINTER CHORES - Genuine deerskin and polar fleece winter gloves for Men and Women combined a hight-quality Deer Suede Leather palm for superior grip and durability, with the thermal polar fleece lining for comfort, warmth, and thickness. They are good for working in cold outdoor. DOUBLE TRAPPING YOUR HANDS WARMTH - The shirred wrist with good flexibility keeps the glove closed around your skin while the 2.5 inches knit cuff offers more protection to keep snow and cold wind out. And the thick cotton is inserted around all fingers, even the part between two neighboring fingers, to protect your hand from fierce wind and lock more body heat inside of the glove. 100% MONEY BACK GUARANTEE - Choose from S, M, L, XL for a perfect fit, according to the ?size chart? diagram. And we offer a 100% money back guarantee on all of our gloves. If you are not happy with the gloves, we will provide a full refund with no questions asked.