Gear Camelbak’s Arete 18 “Transformer” Recoil Staff July 19, 2014 0 COMMENT Check out Camelbak’s Arête 18. Described as a “minimalist ultra-light hydration pack” and reservoir sleeve, the Arête 18 can be worn as an “essentials” pack by itself or converted into a reservoir sleeve to be carried in a larger pack. It utilizes their 2 liter Antidote® hydration system, which can be folded into its own pouch. It is currently available in black, graphite and red and retails for $65.00. Check out Camelbak online, on Facebook, Twitter, Instagram, Youtube or Pinterest.