PEAK PERFORMANCE Men's Helium Down Jacket - Grey - XL

With a 700-fill-power duck down insulation, this jacket achieves an exceptional warmth-to-weight ratio, making it a featherlight fortress against the cold. The 90/10 down-to-feather blend is encased in 100% recycled polyamide with a PFC-free DWR finish, shrugging off light precipitation while remaining highly packable for backcountry missions.

Overview

Engineered for alpine efficiency, the Helium Down Jacket pairs a regular fit with a fixed hood, elastic-bound cuffs and hem, and two zippered hand pockets. The full-zip front allows rapid ventilation, while the RDS-certified down and recycled shell reflect a commitment to responsible materials. Its wind-resistant construction makes it a reliable mid-layer for skiing or a standalone piece for everyday cold-weather wear.

What stands out

• 700 FP duck down (90% down, 10% feather) for lofty warmth
• 100% recycled polyamide shell and lining with PFC-free DWR
• Highly packable—stuffs into its own pocket for travel
• Fixed hood and elastic bindings seal out drafts
• RDS-certified down ensures ethical sourcing

Technical details

• Insulation: Duck down, 700 fill power, 90/10 down/feather
• Outer material: 100% recycled polyamide
• Lining material: 100% recycled polyamide
• Water resistance: PFC-free DWR (water-repellent)
• Wind resistance: Highly wind-resistant
• Hood: Fixed
• Pockets: 2 zippered hand pockets
• Cuffs: Elastic binding
• Hem: Elastic binding
• Fit: Regular
• Closure: Full-zip
• Recommended use: Hiking, skiing, everyday, mid-layer

Our verdict

A featherlight fortress against the cold, the Helium Down Jacket delivers exceptional warmth, packability, and sustainable performance for alpine missions and daily wear.