Columbia Sportswear Boundary Run Pant for Men: Columbia Sportswear’s Boundary Run Pant for Men is a rugged snowpant, designed for comfortable and durable wear. Constructed of a nylon Omni-Tech Tank Oxford shell, 40g of Microtemp XF II insulation and a 210T taffeta lining, the Boundary Run Pant is waterproof and breathable, critically seam sealed with an adjustable waist, internal leg gaitor, and a reinforced cuff guard.