Main opening holds compact DSLRs and mirrorless camera systems and lenses plus accessories Comfortable airflow harness system including removable M.O.L.L.E. compatible belt system Lightweight design maximizes gear protection and keeps weight down Fits in the overhead compartment of most commercial aircraft worldwide (check with your carrier for detailed carry on restrictions) Protective Laptop Compartment holds up to 15 inch laptops Fully seam sealed weather protective rain fly Side Arc attachment points hold M.A.S. and S.A.S. components and a variety of other accessories including M.O.L.L.E. Front butterfly accessory pockets hold small personal items Side compression straps holds your gear securely in place Comfort grip top handle Quick release tripod attachment system Protective foam dividers are fully customizable for your gear 600D Polyester Fabric with 2x PU coating provides weather protection and durability 840D Polyester Dobby Fabric with 2x PU coating