Combining storm-level protection with optimal breathability, the Knifeblade Jacket is a highly water-resistant performance stretch soft shell, built with lightweight, moisture-shedding Polartec® Power Shield® Pro fabric.
Wherever mountains glisten with frozen ribbons, imaginations ignite with possibility. An ambassador favorite, our premier soft shell for ice and alpine climbing now comes in a full-zip version for added versatility. The Knifeblade’s Power Shield® Pro fabric - a breakthrough in soft-shell technology - fills the gap between traditional soft and hard shells, offering unprecedented stretch, breathability and wind protection in a water-resistant 3-layer package. The Knifeblade has a pliable feel, slides easily over layers, and is durable against big-route abuse. It has three water-resistant zippered pockets (one chest and two handwarmers, placed above pack and harness waistbelts), low-profile cuff closures and Touch Point System™ embedded cord locks in the hood and hem for quick adjustment. The helmet-compatible, 2-way-adjustable hood with laminated visor provides optimal visibility in bad conditions. Full-reach gusseted underarm panels allow overhead mobility.
Polartec® Power Shield® Pro fabric with a tricot backing combines lightweight weather resistance and incredible breathability
Full zip adds versatility
Helmet-compatible, 2-way-adjustable hood with laminated visor for optimal visibility in bad conditions
Touch Point System™ has embedded cord locks in hood and hem for quick adjustments to seal out weather
Modified Y-Joint™ sleeve construction allows overhead mobility without lifting the jacket
One left chest pocket and two high handwarmer pockets are harness- and pack-compatible, with mesh pocket bags and slim install reverse-coil zippers with a DWR (durable water repellent) finish
Low-profile, self-fabric hook-and-loop-closure cuffs with pleated gusset
5.8-oz Polartec® Power Shield® Pro 89% polyester/11% spandex
488 g (17.2 oz)
Made in Vietnam.
Designed to strike the optimal balance between weather protection and breathability, Polartec Power Shield Pro fabrics feature a smooth, tightly woven face for great abrasion resistance, and a polyester back for a high warmth-to-weight ratio. The membrane in the middle enables the fabric to block 99% of the wind. The remaining 1% circulates within the fabric which greatly enhances moisture vapor transmission, improving breathability and reducing the risk of heat stress buildup. Polartec Power Shield fabrics have the best breathability in the soft shell market. In fact, Polartec Power Shield Pro fabrics are 30-50% more breathable than windproof soft shells in dynamic or active conditions.
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