ENJOY THE COLD MONTHS OF THE YEAR OUTDOORS WITH THE BLACK DIAMOND PIEPS SUMMIT 40 BACKPACK. From alpine skiing to ice-climbing, be prepared with the Black Diamond PIEPS Summit 40 Backpack. It features all the compartments you need to haul anything from an ice ax to a helmet. Head into the backcountry with confidence with this versatile pack. FEATURESWaterproof compartmentGlacier loopInner compartment for drinking systemSafety gear compartment for shovel and probeRemovable helmet carry, attachable at the front and topSwing Arm System: moveable shoulder straps balance the arm-movementsCompression strap on the side; Buckles - easy to use even with glovesQuick-Pull for fast access to the main compartment