Mammut Taiss Light ML Jacket

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Mammut Taiss Light ML Jacket: Versatile mid-layer for year-round mountain activities. Offers warmth, breathability, and freedom of movement. Features 4-way stretch fleece, durable and abrasion-resistant. Harness-compatible pockets, thumb loops, and athletic fit for climbers.

Mammut says: 

The Taiss Light can be worn any time of year and is perfect for all kinds of mountain activities. Medium-strength 4-way stretch fleece with high nylon content and shaped cut provide freedom of movement and abrasion resistance. The smooth outer material makes the jacket ideal for wearing under a hardshell layer. The material is breathable and dries quickly, while flat seams improve wearing comfort. Features such as pockets placed higher up to accommodate your climbing harness and thumb loops make the Taiss Light a highly functional, versatile mid-layer.

All Mammut products purchased within the Europe come with an extended 30-month warranty period. For more details click here.

Our Verdict

The Mammut Taiss Light ML Jacket is a versatile mid-layer for year-round mountain activities. It offers an excellent balance of warmth, breathability, and freedom of movement.

This jacket features a 4-way stretch fleece with high nylon content, providing durability and abrasion resistance without sacrificing flexibility. The smooth outer surface makes it ideal for layering under a hardshell, while its quick-drying properties and moisture-wicking capabilities help maintain comfort during high-intensity activities.

Mammut has incorporated several thoughtful design elements for mountaineers and climbers. The harness-compatible pockets are higher up, and functional thumb loops help secure the sleeves. The athletic fit and underarm gussets ensure unrestricted movement, which is crucial for technical pursuits.

The bonded chest pocket is made from water-repellent double fabric. This pocket offers secure storage for small essentials, and the flat seam construction enhances comfort, especially when wearing a backpack.

While not the warmest option for extreme cold, its versatility across seasons and activities makes it a valuable addition to any outdoor wardrobe.

– Reviewed by Ultralight Outdoor Gear

Features

• Lightweight, comfortable, stretchable material
• Robust fabric thanks to polyamide content
• Regulated moisture-wicking prevents rapid overcooling
• Very good warmth-to-weight ratio
• Bonded chest pocket made from a water-repellent double fabric with YKK® zipper•
• Functional underarm gusset for optimum freedom of movement
• Flat seam design for a high level of comfort and to avoid chafing under the backpack
• Functional thumb loop closes neatly at the opening

Specifications

• Small weighs: 318g
• Medium weighs: 328g
• Large weighs: 355g
• XLarge weighs: 370g
• Cut: Athletic Fit

Material & Construction

• Main Fabric 2 (B2B): light weight double weave
• Main Fabric 1 (B2B): technical fleece
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