High-Performance Cold-Weather Gear: 600D Abrasion-Resistant Fabric, Waterproofing, and Temperature Control. The gloves feature a durable 600D abrasion-resistant fabric and leather combination, along with a brushed fabric lining and comfort insulation for optimal warmth. They come equipped with a waterproof breathable membrane for weather protection. The built-in temperature controller offers 3 push-button settings and automatic temperature cut-off. For connectivity, use independently with a direct harness or pair with a Hotwired Jacket Liner with a pre-installed wiring system.