Osprey Viper 4

Osprey Viper 4
  • Color: Electric Sky
  • Color: Supernova
  • Color: Thunder Cloud
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Osprey's Viper 4 is a minimalist hydration pack. Lightweight and durable, it's made from double ripstop nylon material and has a 70-ounce capacity. For storage, there is an "essentials" pocket, a bungee lacing system for a jacket, and Osprey's LidLock helmet clip. Other features that will make you recommend this pack to your friends include a comfy Biostretch harness, a ventilated back panel, and a magnetic hose attachment that stays put no matter how rough the trail gets.

Part Numbers

Option UPC MPN
Electric Sky 845136004597 014804-653
Supernova 845136004603 014804-956
Thunder Cloud 845136004580 014804-536