Fit & Design: Adjustable straps Crinkly nylon face fabric offers a vintage texture and distinct look Internal, zippered compartment fits items such as a water bottle, phone, keys and more External, fleece-lined pocket holds smaller items Concealed pocket on back of pack provides more organization Adjustable strap fits comfortably over your shoulder Additional Details Dimensions: 7.28" x 3.15" x 11.02" (18.4 cm x 8 cm x 27.9 cm) 5 liters One size