The Alpha LifaLoft (TM) ski pants maximize your capabilities on the mountainside. These popular performance ski pants feature a 2-layer waterproof/breathable HELLY TECH (R) Professional fabric to protect you during long days on the slopes. They 're insulated with LifaLoft (TM), delivering warmth without the bulk. When your output levels increase, the pants have outer thigh-vent zippers to release heat. The pants are fully adjustable for optimal fit and feature boot gaiters with silicone grips for comfort. We added Bemis reinforcements to the bottom hem to ensure these ski pants endure season after season. Helly Hansen Alpha Lifaloft Pants Mens | White | X-Large | Christy Sports