Platypus Hoser Reservoir

Platypus Hoser Reservoir

Platypus

The Platypus Hoser Reservoir is a lightweight, minimalist hydration system with a self-sealing HyFLO bite valve that increases flow rate by 30%, ideal for backpacking, thru-hiking, and day hikes needing fast, taste-free hydration on the go.

Key facts

  • Price: £39.75
  • Weight: 100g
  • Type: Water Bottles
  • Meal type: equipment
  • No cook

Best for

  • Backpacking and multi-day hikes
  • Thru-hiking with fast hydration needs
  • Day hikes requiring lightweight water storage
  • Hands-free drinking during activity

Key features

  • Self-sealing HyFLO bite valve increases flow rate by 30% for quicker hydration
  • Ultralight and minimalist design weighing as little as 3.2 oz
  • Integrated hang/carry loop for easy backpack attachment
  • Taste-free, BPA/BPS/phthalate-free materials for pure water flavor
  • Silver-ion embedded to inhibit mold and bacteria growth

Limitations

  • No included filtration or purification capabilities
  • Limited to water storage and delivery only
  • Flow rate improvement may require compatible tubing and accessories

Use case

Lightweight reservoir for fast, hands-free hydration on day hikes or multi-day trips where quick water access and minimal weight are priorities.

About this product

The original Platypus® water reservoir that became a backcountry classic, the Hoser™ is an ultralight, minimalist hydration system that delivers taste-free hydration with a versatile, durable design that makes it great for backpacking, thru-hiking, and day hikes.

Updates include a new self-sealing HyFLO™ bite valve that delivers a 30% increase in flow rate, making it quicker and easier to hydrate on the go.

Features: Drink on the go: New simple, one-piece, self-sealing HyFLO bite valve makes it quicker and easier than ever to hydrate hands-free with a 30% increased flow rate.

Easily transportable : Integrated hang/carry loop makes it easy to secure the reservoir in a backpack or elsewhere.

Pure Platy experience: All materials are certified taste-free, BPA-free, BPS-free, and phthalate-free.

Funk-free: Embedded silver-ion protects reservoir from mold and bacteria.

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