Oceanweave fabrics are made of reclaimed ocean nets helping to reduce ocean pollution Seymour series is intended for the sustainability minded daily commuter Oceanweave 600D recycled fishnet polyester with waterproof polyurethane coating; red interior liner improves internal visibility Lightweight strap and buckle mounting system Zippered main compartment opens towards rider, zippered internal convenience pocket for keys/phone, etc. zippered exterior pocket for additional storage Shoulder strap included Strap and Buckle 427 c.i. Grey/Black X-Large (301-500 c.i.)