TPR ventilation throughout PU Backed boot compartment for durability and cleaning Micro fleece lined helmet and goggle pocket Roll-out changing mat Mesh pockets along both sides of main compartment Large main compartment is ventilated on both sides Durable reinforced handles Adjustable padded shoulder strap 1200D Ballistic polyester shell, 210D polyester lining Durable base. BAG THOR CIRCUIT CH/HTHR