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ZENVY Active Hydration
Folding Soft Flask
Collapsible. Lightweight. Built for the trail.
You're 8 miles into a trail run. Your pack is light, your stride is steady — and your water bottle is quietly collapsing as you drink, taking up less and less space. No slosh. No bulk. Just clean, easy hydration exactly when you need it.
That's the WRELS Soft Flask experience. Designed for runners, hikers, and cyclists who refuse to compromise on performance or comfort, this collapsible water bottle is engineered to disappear into your gear as you go.
Collapses As You Drink
Shrinks with every sip — no wasted space, no annoying slosh
High-Flow Bite Valve
Soft, easy-to-use valve delivers fast hydration without effort
Wide Mouth Opening
Easy to fill, clean, and add ice or electrolyte powder
BPA-Free & Food Safe
TPU & silicone construction — safe, clean-tasting water every time
Key Features
- Collapsible design — compresses as you drink, eliminating slosh and saving pack space
- Soft bite valve — high flow rate, gentle on teeth and gums for quick hydration
- Wide mouth — easy filling, cleaning, and adding ice or electrolyte powder
- BPA, PVC & phthalate free — food-grade TPU and silicone for safe, clean water
- Lightweight & flexible — fits hydration vests, belts, and pack pockets
- Temperature range — 0°C to 40°C / 32°F to 104°F for most outdoor conditions
- 3 sizes — 150ml, 250ml, 500ml in Pink, Light Blue, and Dark Blue
Perfect For
- Trail runners and marathon trainers needing hands-free hydration
- Cyclists and mountain bikers with jersey or pack pockets
- Hikers and backpackers reducing pack weight
- Travelers and commuters wanting a packable everyday bottle
Specifications
MATERIAL
BPA-Free TPU & Silicone
SIZES
150ml / 250ml / 500ml
COLORS
Pink, Light Blue, Dark Blue
TEMP RANGE
0°C – 40°C / 32°F – 104°F
★★★★★
"Fits perfectly in my running vest. Collapses as I drink and zero slosh. Best soft flask I've owned."
— Jordan M. · Phoenix, AZ · 500ml Dark Blue
★★★★★
"Lightweight, easy to clean, and the bite valve is so smooth. Takes up almost no space when empty."
— Priya S. · Denver, CO · 250ml Pink
★★★★★
"Used it on a 10-mile hike. Stayed leak-proof the whole time and the wide mouth made refilling at streams super easy."
— Tyler R. · Seattle, WA · 150ml Light Blue
✓ BPA-Free | ✓ Leak-Proof | ✓ Collapsible | ✓ Lightweight | ✓ 3 Sizes
