UTOBEST Running Vest Lightweight Hydration Vest Pack 5L,Blue

FABRICS: Nylon, elastic power mesh, YKK zipper; capacity: 5L; size: 44*20cm/17.3*7.9inch; pocket: 1 main compartment, 2 water bottle pockets, 3 small pockets. ULTRALIGHT BACKPACK: Ultra-light stretch fabrics, only 250g, help you go further and higher every time. BREATHABLE&COMFORTABLE: Made with high-density mesh, the fabric breathes and evacuates moisture. Ergonomic design, adjustable belt, fit body perfectly, more comfortable.e Belt,Fit Body, More Comfortable; HYDRATION SYSTEM: Bladder compartment with hanging system, compatible with 1.5L hydration bladder (hydration bladder is not included). SECURITY: Front and back reflective strip design, safe for running riding in dark conditions.