Converts almost any 28mm threaded bottle — including standard water or soft drink bottles — into a lightweight hydration system with the Swig Rig Ultralight Kit. Features: Each Swig Rig includes everything needed to attach a hydration hose to a compatible single-use bottle with a 28mm threaded cap. Weighing just 99g, the Ultralight Swig Rig offers a compact alternative to traditional hydration bladders, helping you save pack space and avoid leaks or punctures while staying hydrated on the go. Integrated handle designed for easy carrying or attachment to a carabiner One-way silicone valve lets air flow in while helping prevent leaks Versatile hose barb compatible with a range of hose sizes The Hardside Hydration Swig Rig Ultralight Kit includes: SR28 28mm Cap Drinking straw sized to suit taller Smartwater-style bottles Silicone valve, plus one spare replacement valve 100cm hose with TruSwig for a clean, natural drinking taste Updated High Flow straight Bite Valve with protective cover (October 2023 version) Hose Quick Disconnect fitting Backpack hose clip Specifications: Swig SR28 Cap: 17g Hose w/ bite valve:65g Hose Accessories Kit:17g