Carrying your helmet after a ride is such a pain, so ICON came out with the perfect solution the Crosswalk Backpack. Put your helmet and laptop safely and securely in this bag after your rides and move on. This backpack is aerodynamically designed to work with you and cut through the wind as you journey on two wheels.; 18-liter capacity to hold all your supplies Convenient helmet carrying system Comfortable contoured padded shoulder straps Laptop compartment YKK zippers