During long trips, or for carrying a tent or tarp, the convenient and spacious Venture Frame Pack will prove itself an essential part of your gear. Making clever use of a modular system of straps, it is quickly attached to the toptube, and will easily fit most frames out there. A clever hydration port opens up the possibilty for use of waterpacks, and the robust Green Sphere polyester is proven to be water-repellent and durable when it counts most. Small - 3 liter Medium - 4 liter Large - 5.5 literGreen Sphere material: recycled water-repellent PolyesterHigh visibility by 3M reflectionYKK (water-repellent) zipper closureHydration portFixation bike bags: StrapsWaterproof T/F: Yes