Arc'teryx Sentinel Pant WDesigned for big mountain freeride touring, the Sentinel Pant is waterproof, breathable and hardwearing. Freeriders require features that handle the rigors of on area descents and off piste exploration, like double side zips that open wide for rapid ventilation. Storm protection and warmth come from the N70p GORE TEX 3L fabric with 3L lo loft soft shell construction. The materials brushed liner provides light insulation and a flannel like feel.