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Athlete Pick

MEN'S MAMMATUS JACKET

The pinnacle alpine hard shell jacket, the Mammatus Jacket now uses a new, cutting-edge Gore-Tex® Stretch Pro Shell fabric. Specifically intended for alpine climbing and elite mountaineering excursions, this new innovative fabric takes hard shells to the next level by combining the most rugged, most breathable, waterproof, windproof, lightweight Pro Shell with a micro-grid backer for an added stretch. This grid backer increases comfort and performance, while reducing overall garment weight.

Features
  • Performance fit
  • Waterproof, breathable, seam sealed
  • Fully adjustable, helmet-compatible drop hood with hidden cord locks and laminated brim
  • Polyurethane (PU) zips
  • Reflective infusion zip trim
  • Two Napoleon pockets
  • Two alpine pockets
  • Pit-zips
  • Non-abrasive molded cuff tabs
  • Wind skirt
  • Hideaway hem cinch-cord
  • Premier full-featured waterproof, breathable hard shell built with Gore-Tex® Stretch Pro Shell specifically for alpine climbing
  • Summit Series® collection is harness and pack-compatible
  • Avg Weight 500 g (17.6 oz)
  • Length from Center Back 30"

  • Fabric 40D 138 g/m²
    (4.1 oz/yd²
    ) GORE-TEX®
    Stretch Pro Shell 100% nylon with woven backer
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Technology

Summit Series ™

Durable Water Repellent Durable Water Resistant (DWR) finishes on fabrics and zippers give long life to waterproof technologies.

Pit-Zips Pit-zips allow body heat to dissipate from your body’s core and armpits, allowing increased ventilation that keeps you cooler and more comfortable. Our pit-zips have protective double flaps to keep out moisture.