As the name says the Rumble is a mid weight canvas twill fabric that can take the punishment from the trail yet light enough to work for any active adventure. The contemporary cargo style pockets keep your valuable secure while the open hand pockets give this short the Club Ride trail to lifestyle transition detail. The Quick Release waist adjustment is delivered Â through the side cam adjustment system. A seamless crotch gusset keeps the short comfortable on the saddle and allows for movement during any adventure. Ride Light Reflective accents keep you safe during night time journeys. / PowerWeaveâ¢ - Lightweight, quick-drying, wicking fabric / Abrasion-resistant / UV Protection - UPF 30 / Seamless crotch gusset / Zippered side cargo pocket with media port / Side waist adjustment system / RideLightâ¢ reflective accents / Comfort fit / Inseam: Â 12.5"