21 Oz Standard Flex Cap - White 67859 which has three-times the airflow

which has three-times the airflow rate of the classic valve thanks to a larger opening and one-way inflation

50% more moisture-wicking

The Fabric Is Also Quick-drying And Easy To Care For

This ground-stomper is thru hike ready with an eVent weatherproof bootie construction that keeps you dry but also boasts breathability

Our waterproof footwear incorporates a variety of advanced waterproofing materials

21 Oz Standard Flex Cap - White 67859 which has three-times the airflowYour daily sip. Stainless steel and cupholder compatible the reusable refillable 21 oz Standard Mouth insulated water bottle keeps cold drinks cold for 24 hours hot drinks hot for up to 12 hours and holds enough hydration for hours of fun. 24 hours cold 12 hours hotTempShield double wall vacuum insulationLeakproof when closedPure taste no flavor transferDurable stainless steelFits most cupholdersDishwasher safeNot for use on a stove in a microwave or