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Black

Arc'teryx

<p>Versatility. freedom of movement, reliability. These are the core principles behind Arcteryx's Beta series of waterproof-breathable garments. The full side zips make on-and-off easy, and GORE-TEX fabric with a C-KNIT ™ backer ensures superior breathable performance. Exact tailoring is streamlined while still accommodating layers so you're ready for whatever weather Mother Nature throws your way. Be comfortable and confident when your adventure takes you beyond what you thought was possible.</p>
<ul>
<li>Hard-wearing 70-denier 3-layer nylon face fabric</li>
<li>Completely waterproof, breathable, and durable GORE-TEX C-KNIT construction</li>
<li>Articulated patterning for dynamic moves in mountain environments</li>
<li>Gusseted crotch for comfort and extended range of motion</li>
<li>Full length two-way zippers make for easy on and off when wearing boots and crampons</li>
<li>Elasticized waist with adjustable drawcord for a secure fit</li>
<li>Laminated instep patches protect against damage from boots, crampons, and ski edges</li>
<li>Highly water-resistant external zippers used throughout</li>
<li>Athletic, streamlined fit accommodates thermal layers</li>
</ul>

Arc'teryx Beta Pants

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.

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Arc'teryx Beta Pants

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