The 509 Ether Mono Suit Shell is built for riders who demand premium protection and versatility in extreme winter conditions. Designed for snowmobiling, snowbiking, skiing, and backcountry adventures, this high-performance monosuit utilizes a Sympatex® waterproof and breathable membrane that delivers exceptional weather protection without sacrificing comfort. The durable 200D outer shell is reinforced in high-wear areas with 600D nylon for added durability, while waterproof YKK® zippers help seal out snow and moisture. Full-length leg zips, pit zips, and thigh vents provide excellent temperature regulation during active riding. With built-in knee protection, a 5Ride insulated seat, multiple storage pockets, and an adjustable internal harness, the Ether Mono Suit is engineered to handle long days in demanding mountain environments while keeping riders dry, comfortable, and protected.