Mammut Taiss Pro Belay IN Hooded Jacket Men's - Black

When you're belaying in freezing alpine conditions, staying warm without overheating is a constant battle. The Mammut Taiss Pro Belay IN Hooded Jacket solves this with 800 cuin goose down insulation and a PFC-free DWR-treated Pertex Quantum shell, delivering exceptional warmth-to-weight in a highly compressible package. Perfect for mountaineering, ice climbing, and belay duty, this jacket keeps you protected when the temperature drops and the wind picks up.

Who is it for

Built for male alpinists and climbers who need reliable warmth during static activities like belaying, but also demand mobility and packability for fast ascents. Its athletic fit and helmet-compatible hood make it ideal for technical routes where every gram counts.

Main features

• Premium 800 cuin goose down with 90/10 down-to-feather ratio for high loft and compressibility
• Pertex Quantum outer fabric (100% polyamide) with PFC-free DWR for wind and moisture resistance
• Helmet-compatible, adjustable hood with high protective collar
• Two zippered hand pockets and two internal drop-in pockets for secure storage
• YKK Vislon 2-way front zipper for ventilation and harness compatibility
• Elasticated cuffs and adjustable hem with drawstring to seal out drafts
• Chamber construction prevents down migration and cold spots
• Responsible Down Standard (RDS) certified down for ethical sourcing
• Packs into its own side pocket for easy transport on the mountain

Specifications

• Insulation: Goose down, 800 cuin fill power, 90/10 down-to-feather ratio
• Fill weight: 100 g (Size M)
• Outer material: Pertex Quantum (100% Polyamide)
• Lining material: 100% Polyamide
• Water repellency: PFC-free DWR (Durable Water Repellent)
• Hood: Helmet-compatible, adjustable
• Pockets: 2 zippered hand pockets, 2 internal drop-in pockets
• Main zipper: YKK Vislon 2-way front zipper
• Fit: Athletic Fit
• Cuffs: Elasticated
• Hem: Adjustable with drawstring
• Packability: Highly compressible, packs into side pocket
• Intended use: Mountaineering, Alpine Climbing, Ice Climbing, Belaying
• Sustainability: Responsible Down Standard (RDS) certified down
• Gender: Men's
• Construction: Chamber construction
• Collar: High collar for added protection
• Colour: Black

Tips

For optimal loft, store the jacket uncompressed in a dry place. When packing, use the side pocket to compress it without damaging the down. Layer with a hardshell in wet conditions to protect the down's insulating properties.