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Arc’teryx New Alpha SV Jacket

posted Feb 19, 2012, 1:29 PM by GoOut Project   [ updated Mar 14, 2012, 2:07 AM by Italo Balestra ]

Arc'teryx Alpha SV Jacket

Men's Alpha SV Jacket                                                                                                           Women's Alpha SV Jacket

Putting the spotlight on Alpine, the new Alpha SV jacket takes centre stage for Arc’teryx’ 2012 fall/winter collection after being decorated with the ISPO Award in the “Outdoor Apparel” category! Improved by technology, the original alpinist receives the new, quiet Arc’teryx face fabric, N80p-X exceptionally durable and 10% lighter.

First appearing in 1998, the Alpha SV Jacket addressed the needs of climbers for outstanding weather protection without excess weight or compromised agility. Given the restless force behind the Arc’teryx design team to achieve the best possible combination of materials, construction and design, the time has come to revisit the standard.

Manufactured with a new GORE-TEX® face fabric that has been five years in development, the Alpha SV Jacket is exceptionally durable and supple. The new N80p-X fabric meets Arc’teryx’s high standards for abrasion resistance and waterproof/breathable performance while being supple, quiet and 10% lighter than the former fabric. The total weight of the jacket dropped from 541 grams to 491 grams without losing any of the details or ruggedness of the legendary Alpha SV.

The new Alpha SV Jacket comes with a reduced chest circumference for efficient arm motion. Traditional bellowed crossover pockets, helmet compatible Storm HoodTM and removable HemLockTM inserts are standard features that have not changed. They are relevant, simple and essential. Arc’teryx Alpha SV Jacket. A timeless classic that remains true to its origins.

In the performance of waterproof, breathable garments, the face fabric is a critical component. Preventing it from “wetting out” reduces heat loss, maintains breathability and consequently maximizes user comfort. High-density fabric constructions increase strength and resist fibre breakage. Woven from an 80 denier, false twist textured, high tenacity nylon 6.6 yarn, the plain weave construction of the N80p-X is evenly balanced and extremely tight in both the warp and weft direction. Translation: a durable, flat surface that is inherently water repellent, snow shedding and engineered for longevity. The fabric is over 10% lighter than the previous material used in this category and strippes 50 grams from the Alpha SV and Sidewinder SV Jackets. Aside from the Alpha SV Jacket in the Alpine collection, N80p-X also appears in the Theta SV Bib, the Gore Pro Gloves and many Whiteline pieces.

The new N80p-x fabrics are engineered to be inherently water repellent and snow shedding through construction. Tightly woven, high density, smooth surfaces resist fibre breakage and naturally shed moisture. These fabrics can then be enhanced by DWR treatments rather than solely depend upon them.


High density fabric construction better distribute loads and increase strength. False twisted yarn has a crimped texture and an elastic quality which resists fibre breakage when abraded. Plain weave construction packs yarns tightly to reduce movement, which limits the possibility of snags and breaks.


Cold wet face fabrics reduce breathability by causing water vapour to condense on the inside surface of the jacket. Inherently water resistant fabrics counteract this process.


The 80 denier, false twist texture yarn is tough, yet supple. False twisting crimps the filaments to add bulk and elasticity to the yarn and creates an abrasion resistant surface.