A steep, bumpy run keeps the knees working through every turn, and the Rossignol Insulated Ski Pant stays sealed against the weather while they do. These insulated ski pants pair a waterproof, breathable membrane with a PFC-free water-repellent finish and taped seams, so wind, snow and rain stay outside. Built-in gaiters seal around the boots, and reinforced cuffs add durability at the hem. What Our Gearhead(R) Experts Are Saying:"I wore these for a full day of skiing, and the lightweight insulation stayed warm without making the legs feel padded. The stretch in the fabric let my knees bend freely in every turn, and the warmth held up through a wet afternoon."