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Mammut Mammut Taiss Pro Belay
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Mammut Taiss Pro Belay

Mammut

$559.00 40% OFF

$335.40

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Product Insights & Style Tips

The Taiss Pro Belay IN Hooded Jacket feels like a portable refuge for sub-zero alpine moments. It goes on fast over a hardshell and locks in heat the moment you pause on windscoured ridgelines. The face fabric is 10D Pertex Quantum Pro, 100% recycled nylon with a PFC-free DWR, and overlays use Pertex Diamond Fuse for durability. Inside, 187g of 850-fill DRY DOWN and 120g of 100% polyester insulation stack the loft, while boxwall construction maximizes warmth and minimizes cold spots. A helmet-compatible hood and internal neck gaiter seal heat when the wind howls.

With a relaxed fit, it layers over midweights and shells without bulk. The helmet-ready hood, internal neck gaiter, and high-mounted hem adjustment trap heat at the core, keeping warmth in during belays and gusty transitions. The loft stays dialed through high-wear zones like the shoulders and forearms, moving easily from ascent to bivy.

Mammut leans into rugged alpine codes with responsible materials that echo current demand for performance gear you can live in. Bluesign approved, recycled fabrics meet the moment, giving this Taiss Pro Belay a street-smart edge for off-duty days and alpine expeditions.

Materials / Fabrication

  • Face fabric: 10D Pertex Quantum Pro outer fabric (100% recycled nylon)
  • Overlays: Pertex Diamond Fuse (90.7% recycled nylon, 9.3% nylon)
  • Lining: 100% recycled nylon
  • Insulation: 187g 850-fill DRY DOWN
  • Insulation: 120g 100% polyester synthetic insulation
  • Bluesign Approved Material
  • PFC-free DWR finish
  • Boxwall baffle construction
  • Helmet-compatible hood
  • Internal neck gaiter
  • High-mounted hem adjustment
  • Responsible Collection: Recycled/Repurposed
  • Relaxed fit

Recommended Care

  • Machine wash cold on a gentle cycle with a down friendly detergent; close zippers and fasten closures before washing
  • Do not use fabric softener or bleach
  • Dry thoroughly on low heat with several clean tennis balls or dryer balls to restore loft
  • If air drying, lay flat or hang away from direct heat until completely dry
  • Avoid ironing; use steam on low heat if needed
  • Store uncompressed to maintain loft; hang or store loosely

Fit Notes

  • Looser through the torso supports layering over base or mid layers.
  • Designed to layer over a hardshell for fast transitions in cold conditions.
  • Helmet-compatible hood and internal neck gaiter help seal in warmth when stationary.
Mammut Mammut Taiss Pro Belay

Styling Tips

  • Layer it with knitwear to create a practical base that stays warm under the outer layer.
  • Wear it with high-waisted denim for a balanced silhouette that keeps the focus on the jacket's proportions.
  • Finish with boots to tackle alpine terrain with a grounded, capable finish.

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About Mammut

Since 1862, Mammut has evolved from a Swiss rope maker into a leading global outdoor brand. Today, Mammut specializes in high-performance outdoor gear across clothing, footwear, and equipment for climbing, mountaineering, hiking, and snow sports. The line includes technical jackets, shells, insulated layers, backpacks, sleeping bags, avalanche gear, climbing ropes, harnesses, and protective footwear, all engineered for extreme conditions and everyday adventures alike. Born in Dintikon, Switzerland, the company started with rope production and later expanded to apparel and hard goods, including the iconic Eiger Extreme line. For shoppers seeking durable, technically capable pieces with alpine heritage, Mammut delivers reliability, innovation, and a long-standing mountain-first ethos.