evo.com | Arc'teryx Day Packs > Revolutionary ALUULA Graflyte(TM) construction meets alpine versatility in the Arc'teryx Alpha SL 30 Backpack, an ultralight powerhouse that weighs less than an apple yet handles rock, ice, and alpine climbing with unmatched durability. With six lash points, dual ice tool attachments, and a 30 liter capacity, this pack adapts seamlessly from technical mountaineering missions to everyday adventures. 55 x 27 x 17 cm External WaterTight(TM) Zippered pocket with key clip. Water Resistant With hydrophobic properties, ALUULA Grafyte(TM) won't absorb water, even in the wettest alpine environments. Integrated Mini-Lid Automatically flips to cover access portal when closed to protect contents and provide a secure rope carry. 100% Polyethylene | Arc'teryx Alpha SL 30 Backpack 2027 in White