The Helix Valve provides full water flow with just a soft bite. The cylindrical shape requires no special mouth orientation. The retreat spring sealing mechanism is leakproof even after prolonged use and under pressure. The kit includes Helix Valve with dirt shield for protection of the valve from dust and dirt.
Extremely durable and very lightweight, ergonomic backpack designed for runnig or cycling. Simple, yet functional for every day use or weekend trips. Compatible with wetsuits.