---
title: "Swimming Cap — £389K/yr Amazon UK Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/uk/sports-outdoors/swimming-cap"
last_updated: "2026-07-31T17:24:48.516Z"
locale: en
meta:
description: "Niche score 46/100 · £389K/yr market · 1.0M searches/yr · £6.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:description": "Niche score 46/100 · £389K/yr market · 1.0M searches/yr · £6.06 avg price. Doesn't clear our bar today. Data updated Jul 2026."
"og:title": "Swimming Cap — £389K/yr Amazon UK Niche (2026) - Flapen"
---
# **swimming cap**
**Skip it**
Prices mostly outside the sweet spot ($4.18–$12.26) — this niche doesn't clear our bar today.
Market size 55Growth 28Conversion 69Competition 41Returns 90Price range 0Avg price 17Brand share 13Review moat 37Quality gap 80
**Returns**
**Great****1.3%**
return rate — above 5% kills the launch gate
**Quality gap**
**Great****4.2★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Good****6.3%**
search→purchase rate — share of searches ending in a sale
**Market size**
**Good****£389K**
£389K/yr · 1.0M searches
**Competition**
**Okay****60%**
top-5 click share — leaders hold, buyers still browse
**Review moat**
**Okay****2,821.11**
avg incumbent reviews — the moat a new listing must climb
**Growth**
**Okay****+2.3%**
90-day search growth — must beat 0% to launch
**Avg price**
**Bad****£6.06**
avg listing price — sweet spot $15–$100
**Brand share**
**Bad****95%**
top-5 brand share — brand-locked demand
**Price range**
**Bad****£4.18–£12.26**
cheapest to priciest tracked listing — scored on the share inside $15–$100
According to Flapen's Amazon United Kingdom niche tracking, swimming cap is a £389K/yr Amazon United Kingdom market (1.0M searches/yr). The top 5 brands hold 95% of demand. Demand peaks in Sep. Verdict: Skip it — 46/100.
Data updated Jul 29, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **swimming cap market data**
- **Units sold / yr**
- **60K–80K**
- avg 2,500–3,000/product
- **Revenue / yr**
- **£364K–£485K**
- units × avg price
- **Conversion rate**
- **6.3%**
- **Avg BSR**
- **#14**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **67%**
- **Out of stock**
- **2.6%**
- **Avg brand age**
- **34 months**
- **Avg seller age**
- **176 days**
## **Competition & brand share**
The top 5 products take 60% of clicks — established leaders, but buyers still shop beyond them.
**Brands**
**8 **▼falling
**Sellers**
**56**
**Top-5 brand share**
**95%**
Top 20: 100%
**Top-5 click share**
**60%**
Top 20: 100%
**Open market**
**3%**
- Speedo63% - ZONE316% - Zoggs10% - Limmys3% - JIMJOOS2% - Funzhan2% - Open — no brand owns it (2 brands, 3%)
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +2.3% search growth over the last 90 days.
30K20KSpike '24Spike '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Sep · busiest ÷ quietest = 2.4×
[**Open Trend **](https://flapen.com/research/uk/sports-outdoors/swimming-cap/trend)
## **Top swimming cap search terms**
- **swimming cap**453K/yr-11.2%2.9% conv. - **swim cap**94K/yr+8.8%3.3% conv. - **swimming cap women**73K/yr+16.8%3.3% conv. - **swimming hat**77K/yr+2.8%2.5% conv. - **swim caps for women**47K/yr+28.4%2.7% conv. - **swim hat**45K/yr+21.8%2.3% conv. - **swimming hat women**33K/yr+22.0%2.5% conv. - **swimming caps**30K/yr+20.7%1.2% conv. - **swim hat women**22K/yr+44.4%2.6% conv. - **swimming cap men**21K/yr+33.0%4.2% conv. [**All search terms **](https://flapen.com/research/uk/sports-outdoors/swimming-cap/search-terms)
## **Top swimming cap products on Amazon**
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
0%10%£39K20%£78K30%£117K40%£155K101001K10K Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 18 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Speedo Unisex-Adult Plain Moulded Silicone Swimming Cap | Swim Essentials | Hair Protection Training Aids**Speedo**£5.06**4.2★4,184 rev](https://www.amazon.co.uk/dp/B000L9A6ZY) [2**Speedo Unisex-Adult Plain Moulded Silicone Swimming Cap | Swim Essentials | Hair Protection Training Aids**Speedo**£4.85**4.2★4,184 rev](https://www.amazon.co.uk/dp/B00CXO0VXW) [3**Zoggs Unisex Adult Easy-Fit Silicone Swimming Cap - Black One Size**Zoggs**£4.91**4.4★1,229 rev](https://www.amazon.co.uk/dp/B07L3LZ6BP) [4**ZONE3 Mens and Womens Silicone Swim Cap - 48g (Black) For Open Water and Pool Swimming**ZONE3**£5.02**4.3★1,263 rev](https://www.amazon.co.uk/dp/B075RF31J1) [5**Speedo Unisex Long Hair Cap | Swim Cap | Snag Free | Easy-On Ecstatic One Size**Speedo**£6.74**4.2★2,845 rev](https://www.amazon.co.uk/dp/B076KZT8DT)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**ZONE3 Large Silicone Swim Cap - Designed For Long Hair Anti-tear Comfortable 48g**ZONE3**£5.02**88 rev1y ago](https://www.amazon.co.uk/dp/B0DHD128KR) [**Speedo Unisex Long Hair Cap | Swim Cap | Snag Free | Easy-On Check One Size**Speedo**£7.19**2,845 rev2y ago](https://www.amazon.co.uk/dp/B0CRDYB2MB) [**Funzhan Silicone Swim Cap Adult Unisex for Long Hair Women Men (Pink)**Funzhan**£4.18**286 rev3y ago](https://www.amazon.co.uk/dp/B0BVTX3BSL) [**JIMJOOS Kids Swimming Cap 314 Years - Silicone Swim Cap for Boys & Girls - Anti-Slip Stretchable Waterproof Swimming Hat - Durable Odour-Free Swim Hat with Protective Pouch (PINK 3-8 Years)**JIMJOOS**£7.30**1,509 rev4y ago](https://www.amazon.co.uk/dp/B09W4JYKTQ) [**Limmys Silicone Swim Cap for Adults Soft Stretch Non-Slip Swimming Cap for Women & Men Comfortable No-Headache Fit Chlorine-Resistant Secure Ear Seal Durable Latex-Free Silicone**Limmys**£8.30**1,854 rev4y ago](https://www.amazon.co.uk/dp/B09WF1JJBG)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Zoggs Unisex Silicone Swimming Cap Pink One Size UK**Zoggs**£4.61**4.3★**▲ 71%**](https://www.amazon.co.uk/dp/B004ILYNAA) [**ZONE3 Mens and Womens Silicone Swim Cap - 48g (Orange)**ZONE3**£5.00**4.3★**▲ 54%**](https://www.amazon.co.uk/dp/B01D2YIB10) [**Maru Silicone Swim Cap (Green) Smooth Easy-Fit Silicone Swimming Cap for Adults & Kids (One Size Fits All) Durable Swimming Hat for Speed Comfort & Chlorine Protection**MARU**£5.56**4.2★**▲ 50%**](https://www.amazon.co.uk/dp/B000WHMMKW) [**ZONE3 Large Silicone Swim Cap - Designed For Long Hair Anti-tear Comfortable 48g**ZONE3**£5.02**4.2★**▲ 42%**](https://www.amazon.co.uk/dp/B0DHD128KR) [**Speedo Unisex Long Hair Cap | Swim Cap | Snag Free | Easy-On Ecstatic One Size**Speedo**£6.74**4.2★**▲ 26%**](https://www.amazon.co.uk/dp/B076KZT8DT)
**~~View all trending →~~**
## **What buyers say about swimming cap**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**22%
*“The fit is comfortable”*
**Quality-Overall**17%
*“Good quality, easy to put on”*
**Value For Money**13%
*“Great value”*
**Ease Of Use**7%
*“Looks good, easy to use”*
**Stretchability/Expandability/Elasticity**5%
*“stretchy”*
**Color**5%
*“Great quality and colour”*
**Durability**5%
*“did not rip so far”*
**Advertised Vs Actual Product**5%
*“Does what its supposed to do”*
**Protection**3%
*“It adds a significant level of hair protection against the chlorine etc in the swimming pools”*
**Comfort-Overall**3%
*“Feels comfortable”*
### **What buyers complain about **
**Durability**34%
*“easily broken”*
**Size-Overall**24%
*“Not fit for purpose”*
**Quality-Overall**20%
*“Awful quality”*
**Water Resistance**3%
*“Not waterproof”*
**Moist/Dry**3%
*“also doesnt keep hair dry”*
**Value For Money**2%
*“Waste of money”*
**Comfort-Overall**1%
*“so I was surprised by how restrictive it felt”*
**Shrinkage Resistance**1%
*“Another product suffering from shrinkflation”*
**Exercise/Sports Suitability**1%
*“Fits fine, doesnt make me swim any faster”*
**Color**1%
*“the colour becomes transparent”*
### **Top return reasons **
**Size-Overall**75%
**Color**6%
**Durability**5%
**Quality-Overall**2%
**Advertised Vs Actual Product**2%
**Value For Money**2%
**Functionality-Overall**1%
**Comfort-Overall**1%
**Ease Of Use**1%
**Water Resistance**1%
## **Common questions**
- **Is swimming cap profitable to sell on Amazon United Kingdom?**
- The niche generates £389K/yr across 18 tracked products. 90-day search growth is +2.3%. Flapen's verdict: Skip it (46/100).
- **How competitive is the swimming cap niche?**
- 8 brands and 56 sellers compete. The top 5 products take 60% of clicks and top 5 brands hold 95% of demand.
- **What do buyers complain about in swimming cap?**
- Top complaints mined from reviews: Durability, Size-Overall, Quality-Overall. The return rate is 1.3%.
- **When does demand for swimming cap peak?**
- Demand peaks in Sep; the busiest month runs 2.4× the quietest.
- **What does it cost to enter the swimming cap niche?**
- Listings span £4.18–£12.26; the average listing price is £6.06 (sweet spot $15–$100). The average incumbent carries 2,821 reviews — the moat a new listing must climb.
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