Our outerwear team’s unofficial uniform, the 509 Evolve Bib Shell is our most popular pant for all conditions. At the forefront of function, it features Cordura® HP reinforced weatherproof 5TECH™ fabric in an extremely versatile shell design. Add your 509 mid and base layers underneath for maximum versatility. Backcountry-grade performance includes zippered vents, boot gaiters, and an array of pockets. Pair it with the 509 Evolve Jacket Shell for a head-to-toe suit of armor.
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