Two-way zippered toptube bag with large opening for easy access to biking essentials. Semi-soft design with a reinforced base that attaches with Velcro straps or screws to the top of the frame. The pack itself is made from durable Vinylon with a recycled nylon lining and foam-padded sides. Inside mesh pockets keep track of your smaller items. Seams are not taped, but the lining fabric is waterproof. Part of the Fjällräven/Specialized series for urban rides and bikepacking adventures.