The arecircte 22 is a transformer it is a sleek ultralight pack designed for peak bagging minimalist adventures and traveling the arecircte is lightweight and reversible with the ability to transform into a reservoir sleeve that keeps your water supply insulated and secure within a larger pack when you reach basecamp just flip the arecircte right side out and yoursquove got a minimalist pack for day hikes and summit scrambles the arecircte 22 has ample room for hiking essentials like a