Mammut Taiss ML Men's Black Mid-Layer Fleece Jacket

Pontetorto® Tecnostretch fabric with 4-way stretch delivers unrestricted movement and high breathability for alpine tours, ski touring, and high-output hiking.

Overview

Built for athletes who demand versatility, the Taiss ML combines a waffle-structured interior that enhances heat retention and moisture wicking with an athletic fit that keeps the silhouette streamlined. The full-length front zipper allows quick ventilation on the move, while the high collar shields your neck from cold gusts. Two zippered side pockets keep essentials secure and accessible even when wearing a harness or backpack.

What stands out

• 4-way stretch – optimal freedom of movement for climbing reaches and hiking strides.
• Pontetorto® Tecnostretch – a technical fabric known for durability and high breathability.
• Thumb loops – integrated into elastic cuffs to keep sleeves in place and hands warm.
• Flatlock seams – reduce chafing and increase comfort during extended wear.
• Bluesign® product & Fair Wear – certified sustainable manufacturing.

Technical details

• Material: 89% polyester, 11% spandex
• Fabric structure: Waffle structure for enhanced warmth and moisture wicking
• Fit: Athletic
• Pockets: 2 zippered side pockets
• Cuffs: Elastic with integrated thumb loops
• Collar: High collar
• Seams: Flatlock
• Closure: Full-length front zipper

Our verdict

A versatile mid-layer that excels in breathability and mobility, making it an essential piece for any alpine layering system.