Alpine ConnectionYour guide to skiing the Alps
ski jacketMammut · Men's

Mammut Stoney HS Thermo Hooded Jacket

The Stoney HS Thermo is an insulated resort jacket with a regular fit and a removable snow skirt. It makes most sense for skiers who want warmth built in, rather than carrying a separate insulating jacket.

Product guide · Manufacturer specifications

An insulated jacket for lift-served skiing

Mammut puts 80 g/m² synthetic insulation in the body. That favors days with frequent chairlift rides and stops, when staying warm can matter more than stripping back for a long climb.

The 75-denier outer sits over a waterproof membrane and lining. At a listed 1,049 g, this is a substantial ski jacket, not a small emergency shell to leave in a backpack.

Weather protection and airflow

Mammut’s DRY Tour fabric carries a 15,000 mm waterproof rating. The helmet-compatible hood adjusts at one point, while the cuffs and hem tighten separately to reduce open gaps.

Underarm vents and a two-way front zipper give you ways to release heat. They are useful on warmer descents, although opening a vent cannot remove the jacket’s insulation. A shell is the more flexible choice for sustained uphill effort.

Pockets and snow closures

Two chest pockets have water-repellent zippers, and a separate sleeve pocket keeps a lift pass accessible. Inside are a zipped pocket and an elastic mesh pocket for organizing smaller and bulkier items.

Wrist gaiters sit inside the cuffs. The elastic snow skirt detaches, so you can remove it when you do not want a second closure around the waist. Leave room for your usual midlayer when choosing the size rather than assuming the insulation replaces every extra layer.

Specifications

Waterproofing
15,000 mm
Breathability
20,000 g/m²/24h
Weight
1,049 g
Construction
Insulated 2-layer ski jacket
Seams
Not listed by the brand
Ventilation
Underarm vents

Fabric: Mammut Dry Tour 2-layer fabric with a 75-denier outer.

Keep comparing

For another insulated jacket with underarm vents, compare the Picture Object Jacket.

See the matching Mammut pants: Mammut Stoney HS Thermo Pants.

Compare all ski jackets → · Build your ski layers →

What to wear for your trip → · Understand waterproof ratings →

Sources

UK product page · US product page