Mammut Aenergy Beanie Beanie

Lightweight, close-fitting Mammut Aenergy Beanie designed for alpine endurance and high-output mountain activities. Suitable for athletes who need a thin, warm layer under a helmet or a compact standalone hat during intense effort.

Key benefits

• Stretch fabric made from ECONYL® recycled nylon gives flexibility and a reduced carbon footprint.
• Soft brushed-fleece inner lining offers comfortable next-to-skin feel and core warmth.
• Close fit is designed to be helmet-compatible for skiing and climbing.
• Lightweight, quick-drying construction helps manage moisture during high-intensity output.

Typical use: alpine climbing, mountain running and via ferrata; seasonal cool-weather wear or as a thin protective layer under a helmet for descents and technical climbing.