OZERO Winter Ski Mittens Cold Proof Work Gloves with Thermal 3M Thinsulate Insulation Cotton and Cowhide Leather Palm - Water Resistant and Windproof for Skiing/Snowmobile/Shoveling Snow - Gold/Black 3M THINSULATE-G-150g Insulation - Thermal and Breathable *Please note that these mittens have built-in gloves* WARM HANDS,GOOD GRIP AND COMFORTABLE FOR EXTREME COLD WEATHER  OZERO Winter Work & Ski Gloves are lined with thermal TR cotton lining and filled with 150g/m2 of 3M Thinsulate insulation insert to provide superior warmth and comfort in extreme cold weather as low as - 40F to contribute to make these gloves the warmest gloves.Please refer to the size chart in the product image area to choose the fittest size WINDPROOF, WATER RESISTANT, SNOW PROOF C The unique air design of the winter sports mittens features windproof and water-resistnat nylon outer layer inserted with breathable and waterproof inserted TPU membrane that protect your hand from harsh weather and cold snowmelt while allowing air to flow through the gloves to keep your hands flexible GREAT FOR WINTER CHORES AND OUTDOOR SPORTS IN THE SNOW C These work gloves with double stitches seal and genuine cow leather palm reinforced by wear-resistant cowhide patch between thumb and forefinger provides superior durability, wear-resistance and even aids in grip on shovels, ski poles, hockey sticks and so on KEEP WARMTH FOR MEN AND WOMEN C The winter mittens with 5-inch extra long sleeves protect your hands from cold wind and splashing snow while working or skiing. The accessory adjustable belt on the wrist and the controllable cuff with flexible strap allow you to keep warm in heavy wind and snow weather PERFECT FITS C Choose snug-fit size from M, L , XL ,XXL for a perfect fit. Measure your hand circumference to find the right size on the image diagram. If you are debating between two sizes or you like relaxed, choose the larger size