Mammut Whitehorn IN Jacket - Men´s

Whitehorn IN Jacket delivers recycled down warmth with wind- and water-resistant protection for winter adventures

What Our Gearhead® Experts Are Saying:

"This jacket is my go-to for cold-weather outings. The 700-fill down traps heat without weighing me down, and the Pertex® Quantum shell blocks wind and light moisture while staying incredibly soft. I love that it’s made with recycled materials—it’s warm, lightweight, and eco-friendly. The fleece-lined pockets are a game-changer when temps drop, and the adjustable hem helps seal in warmth on blustery days."

Winter adventures demand warmth, and the Mammut Whitehorn IN Jacket delivers. Insulated with 700-fill recycled down, this jacket locks in heat while remaining lightweight and compressible—perfect for layering or wearing solo on frigid days. The wind- and water-repellent Pertex® Quantum outer shell offers protection without bulk, keeping us comfortable whether we´re braving the city streets or heading into the mountains.

Thoughtfully designed with a two-way front zipper, fleece-lined hand pockets, and an adjustable hem, this jacket balances technical performance with everyday comfort. Plus, with fully recycled materials in both the shell and insulation, it’s a sustainable choice for winter warmth. Whether exploring snowy trails or commuting on cold mornings, the Whitehorn IN Jacket is a reliable layer for staying warm and comfortable.

Details

• Warm and lightweight insulated jacket for winter outings
• 700-fill recycled down provides superior warmth without excess bulk
• Wind- and water-repellent Pertex® Quantum fabric shields against the elements
• Cozy fleece-lined hand pockets add extra warmth on chilly days
• Adjustable hem and elastic cuffs help seal in body heat
• Two-way front zipper and zippered inner pocket for versatile storage
• Item #MAMU5ZI

Tech Specs

Material

Pertex Quantum (100% polyester)

Insulation

down

Fit

regular

Length

hip

Hood

none

Pockets

2 zippered hand,

Venting

full-length front zipper

Activity

casual, hiking, camping

Manufacturer Warranty

limited 2 years