Cortech 8922-0105-05 Men's Sequoia XC Air Adventure Touring Pant(Black, Medium), 1 Pack Shell is constructed with armor-link 3 mesh, Abrasion-Resistant 600 denier rip stop Carbolex, and 1680 denier Ballistic polyester 500 denier breathable stretch material in the lower back, inseam, and behind the knees Removable/three-position CE-approved knee armor Knees can fit over personal knee armor or braces Secure double hook front waist closure