Features Enter your model number to make sure this fits. Vented back panel allows cooling breezes to pass through Aluminum frame and padded waistbelt support heavy loads 25-liter capacity is just right for holding your essential gear 2 neoprene stretch side pockets stow water bottles; 1 larger stretch pocket on the front easily stows a light jacket or hat, gloves, etc. Alps Mountaineering Breeze Pack has a daisy chain so you can attach extra gear while hiking or traveling