Ultra-lightweight performance hydration pack from VangoExcel 420D Honeycomb Polyester fabric construction - has an impressive high strength-to-weight ratio which makes it ideal for active adventuresPadded AirMesh back system with mesh harness design - this secure and comfortable pack design is incredibly breathable for increased agilitySternum strap - creates a secure and comfortable fitDuraflex buckles - known for their strength, quality and durability.Shockcord accessory web - provides extra storage options for essentials.Reflective tabs - aids visibility in low light conditions.Webbing grab handleCapacity: 3 litresWeight: 400gRecommended activity - running / cycling / fitness