A cycling-specific version of the Sea to Summit 70D Pack Cover, the XXS Cycling Pack Cover offers durability and water resistance to protect your gear on rides in less-than-pleasant weather.. . Contoured to fit modern 10-20L cycling packs. 70D nylon is lightweight and durable. Brightly colored for high visibility. Reflective print provides extra visibility in lowlight conditions. Fully seam sealed to keep your pack and its contents protected and dry. Hypalon loop lets you easily attach a blinky light. Fits into a compact stuff sack for storage (included) 9327868034802 19743400012 221