HEATLOCK SYSTEM PROTECTS YOUR HANDS – Heatlok is a high-tech patented system of hollow fibers and microfiber that provides warmth without excess bulk or loss of dexterity. The Heatlok system traps air creating a thermal barrier keeping the warmth in the winter gloves. These unique layer combines with the polar fleece lining to keep your hands in these thermal gloves warm in cold weather.PERFECT COMBINATION OF SOFTNESS AND COMFORT – FZ FANTASTIC ZONE Fleece Winter Sports and Genuine Deerskin Leather Gloves for Men are made of a Deer Suede Leather palm for superior grip and protection and polar fleece for thickness, warmth, and comfort.ELASTIC WRIST CUFF – Double shirred elastic wrist keeps the glove closed around your skin and keeps dirt, debris, snow and cold wind out in winter outdoor sports. Keep your hands warm as much as possible.PERFECT FIT – Choose from S, M, L, XL for a perfect fit of these insulated gloves. Measure your hand circumference to find the right size on the size chart, if you are between sizes, choose the smaller one. Small: 8.46in (21.5cm) circumference, Middle Finger: 3.54in(9cm); Medium: 8.86in (22.5cm)circumference, Middle Finger: 3.74in(9.5cm); Large: 9.25in (23.5cm) circumference, Middle Finger: 3.93in(10cm); X-Large: 9.65in (24.5cm) circumference, Middle Finger: 3.93in(10cm).Suitable for Outdoor Casual & Clothing Collocation & Work. Premium genuine deerskin suede glove is very beautiful, comfortable and high grade. Perfect for cold winter casual, riding, driver, hiking, running, bicycling, shovelling snow, landscaping, DIY projects, Cross-Country skiing, snowmobile and other winter outdoor activities.