Arc'Teryx Cassiar Jacket - Men's: GORE-TEX protection and stretch performance in a streamlined on-area ski shell. A streamlined shell focusing on on-piste descents, the Cassiar Jacket delivers complete weather protection with dynamic performance. The waterproof, windproof, breathable 3L GORE-TEX fabric offers four-way stretch to hold the fit while providing exceptional comfort and freedom. A brushed flannel backer adds warmth. The removable helmet-compatible DropHood(TM) integrates with the insulated collar for coverage on freezing lifts, and side zips provide rapid ventilation on aggressive descents. Features: Skiing and Snwoboarding - Designed with specific snowsports features for efficient protection, layering and movement. Waterproof Material - Impervious to penetration by water molecules, these materials provide sheleter and protection. GORE-TEX - Waterproof, windproof and breathable textiles that offer fully protective environmental shelter. Windproof Material - Impervious to wind and offers significant weather resisitance with lighter weight protection.