65 liters. 45 cm x 41.25 cm x 35 cm. Large main compartment with U shaped opening to hold all your gear. Two size zip compartments with ventilation and drainage grommets to hold boots up to size 13. Fully padded bottom. Each side has smaller wax and tool pockets for storage. S shaped shoulder straps, padded back panel for support and ventilation. Front zip accessory pocket for tools and wax.