The Easton Synergy Elite Large Wheeled Bag is made from DURA Hex ripstop polyester + Heavy Duty 600D Polyester. Highlight panels are constructed from a Pro grade Tarpaulin with HD Weatherproof scratch resistant PVC coated 600D bottom. The Compartments in the Synergy are an easy access U-shaped opening main compartment with skate specific pocket. An internal accessory pocket allows for storage of shower supplies and other accessories. The open dry flow grommets and dry out panel allow better ventilation. The zipper is a heavy duty double zipper for ease of access and ability to close from either side. The wheels are a strong in-line skate wheel that work great in any type of weather. The bag bumpers are diamond PVC corners with Rivet reinforced webbing and High Density webbing.