Description The Running Backpack inSPORTline Topspeed is perfect for those with active lifestyles who like to run. Thanks to its narrow, lightweight construction and pliable material, this backpack fits perfectly and therefore won’t impede your movement during physical activity. Furthermore, you can adjust the fit using the two height- and length-adjustable chest straps. On the breathable and extremely comfortable shoulder straps there are pockets for your water bottle as well as zippered pockets for your valuables/essentials or equipment. Since the backpack is compatible with a hydration pack, you will able to stay hydrated even on long runs. The main compartment with a waterproof zipper can hold your wind jacket or spare clothes. The small inner pocket is perfect for coins. Reflective elements in the front and back will keep you visible and therefore safe in low light conditions. Technical description: Ultralight Narrow and tight-fitting Highly breathable, length-adjustable shoulder straps On both shoulder straps: Drawcord water bottle pocket – dimensions: 16 cm (height) x approx. 8 cm (diameter) Zippered pocket – dimensions: H 23 x W 9 cm 2 height- and length-adjustable chest straps Waterproof main zipper Small zippered inner pocket – dimensions: H 13 x W 13 cm Strategically placed reflective elements for better visibility in low light conditions Compatible with hydration pack (not included); drink tube can go through holes and loops on shoulder straps Top handle Material: polyester Capacity: approx. 3.5 L Weight: approx. 250 g Dimensions: 37 x 19 cm