19.65 x 10.35 x 3.58 inches Showing the single result Default sorting Sort by popularity Sort by average rating Sort by latest Sort by price: low to high Sort by price: high to low Sort by editor review Default sortingDefault sortingSort by popularitySort by average ratingSort by latestSort by price: low to highSort by price: high to lowSort by editor review Added to wishlistRemoved from wishlist 0 Add to compare Osprey Siskin 12 Men’s Bike Hydration Backpack With Hydraulics Reservoir, Obsidian Black Added to wishlistRemoved from wishlist 0 Add to compare $90.95