HYDRAPAK - Velocity Isobound Insulated Hydration 1.5 L



The Velocity IT 1.5L features our IsoBound insulation technology that keeps water cold and won't sweat in warm temperatures. Engineered to keep fluids at an ideal temperature 38% longer than a standard reservoir. After all, cold water is more refreshing.

ISOBOUND INSULATION - Prevents heat transfer from the user to the hydration, it is the ideal solution for a wide range of outdoor endurance activities

SWEATPROOF - Four-layer design provides users with more structure an enhanced grip, and a no-sweat, comfortable carrying experience

ERGONOMIC - A perfect fit for most standard hydration vests with an ergonomic slider with no sharp edges, to reduce chafing

HIGH FLOW - Engineered with updated high-performance features and an enhanced design for 20% more flow


  • Double-wall construction and open-cell foam technology create a barrier – slowing the heat transfer from the user to the hydration
  • Simple to use, the patented Slide-Seal™ top opens wide for quick filling and closes tight for a leakproof seal, includes a tether to prevent miss-placing
  • Dual FlexGrip™ handles make the reservoir convenient to carry and access in your pack, providing a secure grip while filling and pouring
  • The flexible 36" HydraFlex drink tube is non-kinking and provides a steady flow
  • High-flow Blaster™ bite valve self-seals after each sip and features a smooth twist on/off the bar to prevent leaks when not in use
  • Plug-N-Play™ connect system lets you easily disconnect the drink tube (an auto-shutoff valve prevents leaking) and remove the reservoir from your pack for convenient refilling
  • Made of ultra-durable, abrasion-resistant TPU & RF welded seams for superior durability and elasticity
  • 100% BPA & PVC free, wide working temperature range (can be frozen - max temp 60° C / 140° F)


  • CAPACITY - 1.5 L / 50 fl oz
  • DIMENSIONS - 335 x 150 mm / 13.1 x 5.9 in
  • WEIGHT - 163 g / 5.7 oz
  • MATERIAL - TPU, Cell Foam, PP/POM, ABS