Our next to skin fit that contours the body for no distractions

Body fit

Our close to body fit with a low profile silhouette for ease of movement

Slim fit

Our standard, slightly off body fit for unrestricted comfort

Regular fit

Our roomy, off body fit for maximum comfort and easy layering

Relaxed fit

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Mammut

<p>A minimalist jacket that stands up to maximalist weather. The stripped-back Mammut Masao Light jacket is made of lightweight fabric and folds down small into a stuff sack to hide away in your backpack. But it still provides bomber protection from rain and wind, thanks to the internal DryTechnology Performance waterproof-breathable membrane.</p><ul><li>Made of lightweight yet durable nylon with a DryTechnology Performance waterproof-breathable membrane</li><li>YKK Aquaguard front zipper keeps rain out</li><li>Helmet-compatible hood has a reinforced brim and adjustments for visibility</li><li>Zippered hand pockets are compatible with your climbing harness or backpack hipbelt</li><li>Underarm zippers for venting when you're working hard</li><li>Pre-shaped sleeves promote range of motion for climbing</li><li>Asymmetric cuffs add coverage with elastic on one side for a snug fit</li><li>Drawcord hem seals out the weather</li><li>Includes a low-profile stuff sack</li><li>Athletic fit</li></ul>

Mammut Masao Light HS Hooded Jacket - Men's

The standard test for waterproof fabrics uses a standing column filled with water.  The figures given are the water column height.  A rating of 3,500mm or higher can be considered waterproof.  The higher the rating, the more durable the waterproof fabric will be over time.

Waterproof garments use waterproof-breathable technologies and are fully seam-taped. Water-resistant garments use waterproof-breathable technologies but their seams are not taped. Water-resistant garments repel water and protect against wind but are not made of waterproof fabric.

A windproof garment does not allow any air to permeate the fabric.  A garment with windproof panels has panels of fabric that are totally windproof, but the rest of the garment may not be windproof.  A wind-resistant garment resists some wind, but not as much as a garment that is windproof.

The rate at which a waterproof breathable fabric expels moisture when the inner surface is moist from perspiration.  Values under 8,000g/m2/24h provide low performance, 20,000g/m2/24h provide moderate performance and values over 30,000g/m2/24h provide high performance.

Usually referred to as DWR. A treatment made to fabrics that causes water to bead and run off instead of soaking through. 

Adventure Awaits! Gear up for your next journey with an extra 10% off select clearance products. Discount applied in-cart.

Mammut Masao Light HS Hooded Jacket - Men's

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