Summit 2 Valve Adapter hiking boots rigid soles and insulated boots winter boots Works with all Platypus® drink

Works with all Platypus® drink tubes and bite valves

the Z Lite SOL expands upon the utralight performance of the Original Z Lite by adding Therm-A-Rest's reflective ThermaCapture™ coating to capture radiant heat and increase overall warmth by nearly 15%

For slightly moist snow around freezing

each Alpine Onset piece features a trim fit as your next-to-skin layer for easy layering and efficient temperature control

Summit 2 Valve Adapter hiking boots rigid soles and insulated boots winter boots Works with all Platypus® drinkSummit 2 Valve Adapter for Summit 2 Valves. This adapter has a blue ring to distinguish it from the Summit I Adapter.