JT Racing USA Dirt Bike MX Motocross Pants (Black/Green, 30") ALS Technology: Air Line System (ALS) air intake for positive cooling KNEE: Articulated 360 degree knee design; multi-directional flex, 1680 Denier ballistics construction for durability and maximum abrasion protection Fit straight leg fit; adjustment cinch strap; adjustable waist closure Pant Support: Kodra 600 denier inner-leg fabric; interior full length liner; flexibility-spandex stretch panels Logos: Vinyl thigh and butt logos; thread Ultra-strong nylon thread