Outer layers: Polyester 500D

approximately 45 liters

50% polyurethane

Velcro closure and pocket to cover and tuck away the shoelaces

TWIN AIR Air Filter Pre-Oiled - 150221X ducati-sport-touring-st4-916-2000-esi6162689 Outer layers: Polyester 500DThanks to their patented conception and their high quality raw materials, Twin Air Filters Warrant The Best Performance and Protection for Your Motorcycle. That's Why Eo Manufacturers and the Best Riders of the World Choose Twin Air. Coarse Open Pore Foam Catches Airborne Dirt, Grime and Sand Fine Open Pore Inner Foam Acts As A Second Filter to Trap The Smallest Particles while Ensuring Maximum Air Passage Exclusivly Developed Adhesive Ensures Glue