The men’s Eider Squaw Valley Ski Jacket 2020 is made for the weekend resort skier, offering a full list of ski features and technical construction, with a classic look that transcends the mountain. The the 20K rated Defender Stretch Membrane is both waterproof, windproof and breathable. This jacket features Primaloft insulation is a lightweight material, breathable and hydrophobic that keeps you comfortably warm even in harsh weather conditions. The 4-way stretch provides comfort and freedom of movement thanks to the extensibility of the material.