Outfit your favorite running vest with new hydration and nutrition flasks! This bundle includes two of our best-selling UltraFlask Speed 500ml, one for each front pocket. Our smaller SoftFlask 250ml is the ideal size for smaller pockets or for keeping your liquid nutrition easily accessible. Use the SoftFlask 150ml to fill with up to five energy gel servings, eliminating sticky gel wrappers and single-use waste.
Blaster Bite Valve Sheath 2-Pack
Bite Valve Replacement
Replacing your bite valve from time to time helps maintain your hydration system. HydraPak's Bite Valve Sheaths provide a soft bite and are made of durable silicone. Perfect for chewers or to keep in your emergency gear kit with your bandaids and duct tape. Fits and replaces all HydraPak bite valves on our Reservoirs, SoftFlasks, and UltraFlasks.
*Please note - Blaster Sheaths DO NOT fit on the new Comet Bite valves and are not compatible with any of the new 2023 reservoirs. Please purchase Comet Bite Valve Sheaths HERE.
Drink Tube Cap - 42mm
Soft Flask Replacement
This replacement cap features a drink tube designed for quick and minimal effort access to your hands free hydration flask or bottle. Fits all HydraPak products with a 42mm opening including the SoftFlask 500ml and 750ml, Stash 750ml bottle, UltraFlasks, and Seeker water storage containers.
Flip Cap - 28mm
28mm Cap Replacement
This replacement cap features an easy to drink from silicone nozzle which auto-seals after each sip and includes a flip cap cover to keep away outside elements. Fits all current HydraPak products with a 28mm opening including the Stow 500ml and 1L bottles, and SoftFlask 150ml.
*Note that caps only fit on the 28mm threads of 2020 models or newer. Please review our FAQ page on how to identify which version you have.
Locking Cap - 42mm
Soft Flask Replacement
This replacement cap features a high-flow bite valve which auto-seals after each sip and includes a twist locking cap for added security. Fits all HydraPak products with a 42mm opening including the SoftFlask 500ml hand held, Stash 750ml bottle, UltraFlasks, and Seeker water storage containers.
- COMFORTABLE FIT - Soft material conforms to most hydration vests, belts or pack pockets.
- COMPRESSIBLE - Flexible design shrinks as you drink reducing movement and easily packs away when empty.
- SPEEDFILL CAP - Topped with a flip cap for fast refills at aid stations. (UltraFlask Speed 500ml)
- CUSTOMIZABLE HYDRATION - choose between two cap options depending on your run or vest, directly mount your bite valve or use the straw cap (4 in / 100 mm). (UltraFlask Speed 500ml)
- NUTRITION VALVE - Soft silicone bite valve is ideal for dispensing electrolytes, water or your own nutrition mix. (SoftFlask 250ml)
- GEL NOZZLE - Designed to carry and dispense energy gels with an easy to clean nozzle. (SoftFlask 150ml)
- BEYOND LIFETIME GUARANTEE
- BPA + PVC FREE
CAPACITYUltraFlask Speed - 500 ml / 17 fl oz
SoftFlask 150ml - 150 ml / 5 fl oz
SoftFlask 250 ml - 250 ml / 8.5 fl oz
DIMENSIONSUltraFlask Speed - 186mm x 58 mm / 7.3 x 2.3 in
SoftFlask 150ml - 160 x 75 mm / 6.2 x 2.9 in
SoftFlask 250 ml - 230 x 75 mm / 9.0 x 2.9 in
WEIGHTUltraFlask Speed - 41 g / 1.4 oz
SoftFlask 150ml - 19 g / 0.7 oz
SoftFlask 250 ml - 24 g / 0.8 oz
MATERIALUltraFlask Speed - TPU, PP/POM, Silicone
SoftFlask 150ml - TPU, HDPE, PP/POM
SoftFlask 250 ml - TPU, HDPE, PP/POM, Silicone