Mammut Sender IN Hooded Jacket - black

When a sudden squall rolls over the ridge and the temperature drops, the Mammut Sender IN Hooded Jacket is the layer you reach for. Built for mountaineers and ski tourers who push into exposed terrain, this insulated hooded jacket delivers exceptional warmth without weighing you down. The black colorway keeps a low profile, while the technical construction ensures you stay protected from wind and light precipitation. Whether you're belaying a partner on a cold north face or setting a skin track at dawn, this jacket traps heat efficiently and moves with you through every reach and swing.

Key specifications

• Outer fabric: Pertex® Quantum (100% polyamide) with PFC-free DWR treatment
• Lining: 100% polyamide
• Insulation: 90/10 goose down, 800 cuin fill power, 100 g fill weight (size M)
• Fit: Athletic fit for unrestricted movement
• Hood: Adjustable, helmet-compatible
• Pockets: 2 zippered hand pockets, 1 internal chest pocket
• Main zipper: YKK Vislon® 2-way
• Packability: Stows into side pocket
• Certifications: Responsible Down Standard (RDS)
• Intended use: Mountaineering, ski touring, hiking, climbing
• Cuffs: Elasticated
• Hem: Drawcord adjustment
• Gender: Men's
• Color: Black

Why choose it

The Sender IN Hooded Jacket pairs premium 800-fill down with a featherlight Pertex® Quantum shell, giving you an exceptional warmth-to-weight ratio. The athletic fit eliminates bulk, so you can layer it under a hardshell without restriction. The helmet-compatible hood and two-way zipper add alpine-ready functionality, while the RDS certification ensures ethical sourcing of the down. Whether you're climbing, skiing, or hiking, this jacket delivers reliable warmth and protection in a packable design.

Ideal use cases

• Mountaineering and alpine climbing in cold conditions
• Ski touring and backcountry skiing
• Hiking and trekking in variable weather
• Belaying and cold-weather belay sessions
• Everyday winter wear for cold climates

Good to know

The jacket packs into its own side pocket, making it easy to stow in a backpack when not in use. The PFC-free DWR treatment sheds light precipitation without harmful chemicals. The two-way front zipper allows for easy access to a harness or belay device. The athletic fit is designed to be worn over a base layer or light midlayer, and it layers comfortably under a hardshell for added protection in severe weather.