Deluxe heavy duty nylon water-proof yarn with grey detail inserts. 25mm sponge padded and lined. Reinforced at headstock and bridge. Heavy duty full length zip. 3 accessory/music pockets. 2 cross stitched cushioned carry handles. Additional back carry handle. 2 jumbo padded adjustable shoulder straps. Moisture resistant bottom with large rubber tread. Toggles to all zips. Reflective night safety strip.