Soft Flask
Soft Flask shows low returns (1.0%), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Flapen Score
Is Soft Flask profitable on Amazon?
According to Flapen's Amazon United Kingdom niche tracking, Soft Flask is a £122K/yr Amazon United Kingdom market (209K searches/yr). The top 5 brands hold 70% of demand. Demand peaks in Apr–May–Jun–Jul. Verdict: Worth a look — 56/100.
Soft Flask: the Amazon niche in one read
Everything a seller checks before entering, in three answers.
Is the demand real?
Worth a look. Search demand moved +11.3% over the last 90 days and 5.7% of searches end in a purchase.
£122K
revenue / yr
Who owns the niche?
The top 5 brands hold 70% of demand, so 30% of the market is open.
30%
open market share
Is there a way in?
Listing quality. The average product page scores 0/100 on content standards. Incumbents average 4.2★ — the gap to enter on.
0/100
page quality · 30 products
Top Soft Flask products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.
Top sellers
by 90-day click share
SWIFTER 2x Soft Flask 500ml | Collapsible Running Water Bottle | Handheld or in Vest | Leakproof | Trail Hydration Flask | Soft Water Bottle for Marathon Hiking
- Price
- £12.59
- Rating
- 4.5/5
- Reviews
- 340
- Age
- 1y ago

Salomon Soft Flask 500ml/17oz 42 Unisex Hydration accessory Easy to use Comfort High-flow valve Clear Blue
- Price
- £12.32
- Rating
- 4.5/5
- Reviews
- 866
- Age
- 4y ago

Salomon Soft Flask 250ml/8oz 28 Unisex Hydration Accessories Comfort High-flow Valve and Easy to Use Blue
- Price
- £10.59
- Rating
- 4.5/5
- Reviews
- 993
- Age
- 4y ago

Lightweight Leakproof Soft Flask - 500ml Foldable Collapsible Water Bottle for Running Vest & Belt BPA-Free TPU for Trail Running Hiking Cycling Outdoor Sports (Blue)
- Price
- £5.97
- Rating
- 3.8/5
- Reviews
- 10
- Age
- 4mo ago

WRELS 200ml/350ml/500ml Collapsible Soft Flask BPA Free Folding Soft Water Bottle with Hanging Ring Lightweight TPU Hydration Flask for Running Marathon Cycling Hiking(200ml-2 Packs)
- Price
- £8.99
- Rating
- 4.4/5
- Reviews
- 173
- Age
- 1y ago
Trending
90-day click momentum
DORNNA 2X1 Soft Flask BPA FREE Hydration Bottle for Running Sports Hydration Bag Reusable Water Bottle Very Resistant (500ML - 2 PCS)
- Price
- £9.73
- Rating
- 4.4/5
- Reviews
- 1,436
- Age
- 2y ago

Lightweight Leakproof Soft Flask - 500ml Foldable Collapsible Water Bottle for Running Vest & Belt BPA-Free TPU for Trail Running Hiking Cycling Outdoor Sports (Blue)
- Price
- £5.97
- Rating
- 3.8/5
- Reviews
- 10
- Age
- 4mo ago

TENTRA 2x Soft Flask 500ml | Running Hiking Cycling Water Bottle | Collapsible Leakproof Lightweight
- Price
- £9.91
- Rating
- 4.6/5
- Reviews
- 30
- Age
- 1y ago

WRELS 200ml/350ml/500ml Collapsible Soft Flask BPA Free Folding Soft Water Bottle with Hanging Ring Lightweight TPU Hydration Flask for Running Marathon Cycling Hiking(200ml-2 Packs)
- Price
- £8.99
- Rating
- 4.4/5
- Reviews
- 173
- Age
- 1y ago

UTOBEST Soft Flask 250ml Collapsible Running Water Bottles
- Price
- £9.73
- Rating
- 4.3/5
- Reviews
- 1,058
- Age
- 8y ago
Newest
by launch date
Lightweight Leakproof Soft Flask - 500ml Foldable Collapsible Water Bottle for Running Vest & Belt BPA-Free TPU for Trail Running Hiking Cycling Outdoor Sports (Blue)
- Price
- £5.97
- Rating
- 3.8/5
- Reviews
- 10
- Age
- 4mo ago

Flintronic TPU Foldable Water Bottle Soft Flask 250ml BPA-Free for Hydration on Backpacks Bicycles Hiking Jogging Camping and Climbing (Light Blue)
- Price
- £5.83
- Rating
- 3.9/5
- Reviews
- 224
- Age
- 9mo ago

Trekkrs 2 Pack Soft Flask Water Bottles - 500 ml | Leakproof Design | Soft Foldable Running Water Bottle | Running Hydration Bladder Pouch | 2 x Straw Lids 2 x Regular Lids & Easy Cleaning Sachets
- Price
- £14.07
- Rating
- 4.1/5
- Reviews
- 64
- Age
- 1y ago

TREKKOUT Collapsible Water Bottle 2-Pack 500ml Soft Flask for Running Vest - Leak-Proof Foldable Hydration Flask for Trail Running Marathon Hiking - BPA-Free & Easy Clean
- Price
- £11.03
- Rating
- 4.0/5
- Reviews
- 70
- Age
- 1y ago

Flintronic TPU Foldable Water Bottles 2-Piece Soft Flask BPA-Free for Hydration on Backpacks Bicycles Hiking Jogging Camping and Climbing (250ml Light Blue)
- Price
- £7.39
- Rating
- 3.9/5
- Reviews
- 224
- Age
- 1y ago
Competition: brands, sellers & click share
The top 5 products take 51% of clicks — established leaders, but buyers still shop beyond them.
Brands
17 falling
Sellers
26
Top-5 brand share
70%
Top 20: 100%
Top-5 click share
51%
Top 20: 88%
Open market
23%
- Salomon22%
- SWIFTER19%
- WRELS13%
- flintronic9%
- Generic8%
- UTOBEST6%
Soft Flask demand & seasonality
Weekly search volume, with the niche's key stats alongside.
Peak months: Apr, May, Jun, Jul · busiest ÷ quietest = 3.0×
Top Soft Flask search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.
- soft flask33K/yr
- running water pouch23K/yr
- soft water bottle25K/yr
- soft flask 500ml15K/yr
- salomon soft flask 500ml9K/yr
- 500ml soft flask9K/yr
- running vest water bottle13K/yr
- soft water bottle running11K/yr
- running bottle soft5K/yr
- soft running water bottle9K/yr
What reviews say buyers love and hate about Soft Flask
What buyers mention most, as a share of all reviews.
What buyers love
75% of reviews“Good quality”
“Great size”
“Does not leak”
“Easy to use”
“Overall its worth buying”
What buyers complain about
69% of reviews“Leaks too easily”
“Overprice and flimsy”
“Not the best”
“am unfortunately unable to use it”
“There's a metal ring which rusts horrible rusty taste in my mouth”
Soft Flask return rate & reasons
Why buyers send it back, as a share of all return requests.
1.0%
Return rate
56%
Fixable by listing
The "fixable" share counts expectation-mismatch reasons — size, look, advertised-vs-actual — that better copy and images address.
Common Soft Flask questions
The questions sellers ask about this niche, answered from the tracked metrics.
Best Flapen score
The highest-scoring niches we track right now, across every category.









