ki-Doo has brought a new technology to the snowmobile apparel market with Sympatex’s Helium gear. For breathability, the jacket adapts as the rider’s effort level increase. Stretch elbows and shoulders are incorporated along with a powder skirt. The inside features a mesh liner, lycra wrist and collar surfaces for comfort. Nonporous membranes make the jacket waterproof on the outside too. The benefits will continue after repeated washes too. Cost is $369.99, and tall sizes are $389.99. More info: store.ski-doo.com