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Silva Hydration Reservoir 1L

Silva Hydration Reservoir 1L

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The Hydration Reservoir 1L is the perfect partner for your Strive running backpack. It fits the Strive series and has a slim, vertical design.

The reservoir features Hydrapak IsoBound™ insulation technology that will keep your water cold and give you a more comfortable carrying experience, even in warm temperatures. It is engineered to keep fluids at an ideal temperature 38% longer than a standard hydration reservoir. After all, cold water is more refreshing and will keep you going for even longer sessions.

The reservoir is made of ultra-durable, abrasion resistant TPU with RF welded seams for superior durability and elasticity. The bite valve self-seals after each sip and features a smooth twist on/off bar to prevent leaks when not in use, and the Hydrapak Slide-Seal™ top opens wide for quick filling and closes tight for a leakproof seal, includes tether to prevent miss-placing.

This 1 litre bladder is custom made for Silva and it fits all models in the Strive-series. Simply thread the hose through the smart outlets in order to have your fluids easily accessible at all times. The V in the product name stands for vertical, meaning that the bladder should be placed vertically for optimal flow.


  • Hydrapak Isobound insulation – prevents heat transfer from the user to the reservoir
  • Sweat proof – four-layer design provides users with more structure an enhanced grip
  • Ergonomic – perfect fit for the Strive series
  • High flow – high performance features and designed for high flow
  • Main fabric TPU
  • BPA Free
  • Washable
  • Volume: 1 litre
  • Weight: 120g


Holds 1L of fluid with a bite valve that offers fast, smooth water flow, and prevents dripping


The hydration bladder fits comfortably in the Strive series


Prevents heat transfer from the user to the reservoir, perfect for a wide range of outdoor endurance activities


Made of ultra-durable TPU with welded seams and the Slide-Seal top opens wide for quick filling and closes tight for a leakproof seal
Article number 37593
Volume 1 litre
Weight 120g


About Silva

Silva is a trusted Swedish outdoor brand (started in 1935) that offers premium quality Headlamps, Compasses, Waterproof Bags & Packs, Binoculars and Poles.