Sidewinder jeans look like a typical pair of blue jeans, but they’re lined with Polartec fleece for supersoft insulation. The lightweight, thin Polartec isn’t cumbersome or bulky, and it’s not prone to pilling. Sidewinders are a comfortable alternative to wearing long underwear with jeans, and the double layer of protection makes an excellent windblock. Prewashed, in men’s sizes 3042 and ladies’ 416. About $59.50; % Maverick Mountain, 800-822-4212.