The Ergodyne ProFlex 817 Thermal Winter Work Gloves with Reinforced Palms are built to keep your hands warm when you're working in the cold. A rugged reinforced palm provides the ultimate in technical cold weather hand protection with long-wearing grip. These winter work gloves feature dual-zone 3M Thinsulate Insulation for warmth without wetness. The dual-zone insulation has 40 g insulation in the palm and 70 g in the back of the hand for cold-blocking warmth where you need it. The weather-resistant ripstop outer shell and DWR water repellent finish is durable to provide best-in-class protection. The insulation in these thermal gloves is designed to trap body heat while allowing moisture to escape so your hands stay dry and warm, not cold and clammy. Extended neoprene cuff can fit under or over jacket sleeves for convenient easy on/off wear. Tightened with hook and loop closure to keep the cuff secure around your wrist for increased warmth.