These durable and lightweight Arc'teryx Knee Caps protect your knees and performance outerwear pants from the repeated bumps bruises and scrapes associated with ice climbing skiing and mountaineering. The highly adjustable design features two straps and camlocks that expand to properly fit all sizes of knees no matter how much layering you add or remove from your outerwear. Arc'teryx Knee Caps are a smart and practical way to save your knees pants and bibs from the knocks associated with the outdoor sports that you love.