Designed to carry all your biking essentials, The VELOCITY 12 is a sporty little day pack with the ACS TIGHT suspension system. It hugs the body snugly and is therefore ideal for more energetic activities. The central air channel in the middle, air-permeable back pads and breathable mesh covering fabric ensure superior back ventilation. Practical bike-specific details include attachments for a helmet and LED light at the front. ACS TIGHT: flexible, full-contact suspension system with a body-hugging fit and outstanding ventilation, adjustable chest strap with signal whistle, pump/bottle holster, main compartment with inner pocket (doubles as stow pouch for drinks bladder), front pocket with key clip, 2 mesh side pouches, equipped for a hydration system (tube duct and attachment) and integrated rain cover in base compartment. Body made of CROSS RIP 210D: very lightweight, hard-wearing, ripstop fabric. Base made of CROSS RIP 300D: lightweight, ripstop fabric with reinforcement threads. Back made of CROSSLINK PE: special cross-linked polyethylene material with high tensile strength and durability. Dimensions: 44 x 26 x 18 cm. Capacity: 12 l. Weight: 660 g. 1.shell: 100 % polyamide 2.shell: 100 % polyester lining: 100 % polyester.