Featuring 800-fill Pro Down™ insulation, the Summit Breithorn Hooded Down Jacket offers consistent warmth and compressibility for technical climbs in cold environments. The design includes an attached, helmet-compatible hood, underarm gussets, and raglan sleeves to ensure mobility. This lightweight piece is packable into its own pocket and is cut to a slim fit for a streamlined silhouette. Pertex® Y Fuse recycled nylon ripstop with non-PFC durable water-repellent finish 800-fill Prodown™ insulation with water repellency slim fit attached, helmet-compatible hood underarm gussets raglan sleeves packable into pocket