The New Dakine 365 Pack Backpack 21L (Williamette) Backpack Bags, unisex, Bags and Luggage , Bag , Backpack, One Size, true, Stylish and reliable that's the m.o. of the Dakine 365 Pack! Durable polyester backpack. Roomy main zip compartment for your daily essentials. Color block or allover print detailing. Front zip compartment for your smaller items. Adjustable shoulder straps for a custom fit. Diamond accent and embroidered logo patch adorns front. 100% polyester. Volume: 21 L (1284 in³) Imported.