Premium Low Profile Hydration Pack: Lightweight and low profile, this portable water source offers unique features to help keep workers hydrated and safe Features, Durable 600D water-resistant rip stop polyester shell, Vented shoulder straps and back for maximum breathability, 8mm EVA foam padding on shoulder straps for added comfort, One zippered compartment, multiple d-rings and nylon daisy chain webbing for gear storage, Reflective accent for higher visibility, Insulated pack and tube keeps water cool, 100% anti-microbial bite valve with cover to protect against contaminants, Breakaway shoulder straps for added safety, Dual Cap bladder featuring smaller (60mm) cap nestled into larger (80mm) cap for easy water and ice filling, Capacity: 3L (3000mL) / 101oz / 3.3 hours Application, Fire/Rescue/EMT, Construction, Freight/Baggage, Oil/Gas Refining, Drilling/Mining, Landscaping/Grounds