SFuels clear RIGHT FUEL RIGHT TIME running soft-flasks. Store your SFuels TRAIN, RACE+ or PRIMED premixed with water, or just the powder to store in your race suit or, race belt.
New 10oz size in clear format, for quick observation of fuel used, fuel remaining. Easy pinch one-way fluid valve, for quick clean access.
BPA Free with a quick bite easy flow drinking nipple the SFuels™ soft flasks are super light weight (1.3oz – 37gms) and easy to store in your running vest, race belt , suit or jersey.
- Pre-load Soft Flasks with concentrated SFuels™ Race + Optimization Guide – Pages 18 & 19 - For longer races you can preload initial soft flask with Race + and water. Then place additional soft flasks with Race + powder only (no water). Add water to your refill soft flasks from aid stations through the race