The Mission Alpine Pant is built for alpine climbers, ice climbers, and mountaineers pushing the limits.The BD.dry (TM) hydrophobic membrane provides ultimate protection from wet climates while SpectraA(R) ripstop delivers durability and toughness in high-wear areas. Designed in our ethos of 'Apparel as Equipment,&'; for when your gear needs to perform as hard as you do, the Mission Alpine Pant features articulated seat and knees for increased range of motion, zippered cuff expansion for customized boot fit, and YKKA(R) AquagaurdA(R) zippers throughout.