evo.com | Cotopaxi Day Packs > Open up a day of fun with the Cotopaxi Abierto 26L Daypack. This spacious mochila features a zippered main compartment, hydration compatibility, and is the perfect size to carry on your next flight. Body 100% recycled polyester Hydration Pass-Through (Reservoir Not Included) 19.5 x 12 x 9 Inches Internal Organization Zippered Main Compartment | Cotopaxi Abierto 26L Daypack 2027 in Blue | Polyester