thermal underwear womens
Skip itSoft demand (-80.3% this quarter) — this niche doesn't clear our bar today.
Competition
Incredible19%top-5 click share — an open shelf
Brand share
Great49%top-5 brand share — no brand owns this niche
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Avg price
Good£12.86avg listing price — sweet spot $15–$100
Price range
Good£4.90–£26.40cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Okay3.3%return rate — above 5% kills the launch gate
Review moat
Okay2,527.38avg incumbent reviews — the moat a new listing must climb
Market size
Bad£80K£80K/yr · 796K searches
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
Growth
Bad-80.3%90-day search growth — must beat 0% to launch
According to Flapen's Amazon United Kingdom niche tracking, thermal underwear womens is a £80K/yr Amazon United Kingdom market (796K searches/yr). The top 5 brands hold 49% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 45/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
thermal underwear womens market data
- Units sold / yr
- 10K–13K
- avg 0–100/product
- Revenue / yr
- £129K–£161K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #793
- Page quality
- 0%
- Prime
- 90%
- Sponsored
- 79%
- Out of stock
- 34.4%
- Avg brand age
- 40 months
- Avg seller age
- 173 days
Competition & brand share
Clicks spread well past the top 5 (19% combined) — an open shelf where new products get seen.Brands
41 rising
Sellers
69
Top-5 brand share
49%
Top 20: 86%
Top-5 click share
19%
Top 20: 41%
Open market
45%
- TCA18%
- NOOYME10%
- Undercover8%
- Liang Rou7%
- wirarpa6%
- SIMIYA6%
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -80.3% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 32.3×
Top thermal underwear womens search terms
- thermal tops womens161K/yr
- base layer women41K/yr
- thermal vests for women uk96K/yr
- thermal top52K/yr
- thermals womens44K/yr
- thermal underwear womens38K/yr
- thermal vest39K/yr
- thermal long sleeve top women32K/yr
- thermal base layers women26K/yr
- womens thermal top37K/yr
Top thermal underwear womens 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.
All 24 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
TCA Super Thermal Top Women - Ladies Thermal Vest - Thermals Womens - Ski Base Layer Women - Workout Tops for Cold Weather - Black Rock M
TCA£11.484.4★4,690 rev
SIMIYA Thermal Tops Womens Round Neck Soft Base Layers Long Sleeve Top Women Thermal Underwear Shirt Warm Wicking (Black M)
SIMIYA£9.804.5★133 rev
Undercover Lingerie 2 Pack Womens Thermal Built Up Strap Vest White Medium
Undercover£10.644.4★1,846 rev
TCA Super Thermal Top Women - Ladies Thermal Vest - Thermals Womens - Ski Base Layer Women - Workout Tops for Cold Weather - Black Rock XL
TCA£11.684.4★4,690 rev
IWOLLENCE Thermal Long Sleeve Top Women Fleece Silk Ladies Crop Thermals Crew Neck Winter Merino Wool Base Layer Undershirt Thermal T Shirts for Women UK with Slimming Seams (Blue L)
IWOLLENCE£7.173.9★65 rev
Newest
by launch date
WISMBOX Womens Short Sleeve Compression Base Layer Quick Dry Breathable Gym Top Athletic Running T-Shirt for Yoga Cycling Workout & Outdoor Sports Black
WISMBOX£9.7650 rev
IWOLLENCE Thermal Long Sleeve Top Women Fleece Silk Ladies Crop Thermals Crew Neck Winter Merino Wool Base Layer Undershirt Thermal T Shirts for Women UK with Slimming Seams (Blue L)
IWOLLENCE£7.1765 rev
IWOLLENCE Thermal Long Sleeve Top Women Fleece Silk Ladies Crop Thermals Crew Neck Winter Merino Wool Base Layer Undershirt Thermal T Shirts for Women UK with Slimming Seams (Black L)
IWOLLENCE£7.0465 rev
IWOLLENCE Thermal Long Sleeve Top Women Fleece Silk Ladies Crop Thermals Crew Neck Winter Merino Wool Base Layer Undershirt Thermal T Shirts for Women UK with Slimming Seams (Dark Grey L)
IWOLLENCE£6.9565 rev
wirarpa Womens Thermal Underwear Set Fleece Lined Top & Bottom Black S
wirarpa£14.13416 rev
Trending
90-day click momentum
POWER FLOWER Womens Thermal Top Fleece Lined Long Sleeve Thermal Underwear Soft Stretch Winter Base Layer Shirt Warm Thermal Undershirt for Cold Weather (90055-Black L-XL)
POWER FLOWER£7.224.2★
WISMBOX Womens Short Sleeve Compression Base Layer Quick Dry Breathable Gym Top Athletic Running T-Shirt for Yoga Cycling Workout & Outdoor Sports Black
WISMBOX£9.764.3★
IWOLLENCE Thermal Long Sleeve Top Women Fleece Silk Ladies Crop Thermals Crew Neck Winter Merino Wool Base Layer Undershirt Thermal T Shirts for Women UK with Slimming Seams (Dark Grey L)
IWOLLENCE£6.953.9★
Vinconie Women Thermal Underwear Winter Long Johns Ladies Cotton Leggings Top M 1 Pack Black
Vinconie£12.214.3★
TCA Super Thermal Top Women - Ladies Thermal Vest - Thermals Womens - Ski Base Layer Women - Workout Tops for Cold Weather - Cloud White L
TCA£10.864.4★
What buyers say about thermal underwear womens
What buyers praise and complain about, mined from review topics.What buyers love
“really keep you warm”
“Comfy and warm”
“Fits as expected”
“They seem very well made”
“Good value”
“Lovely and soft”
“Lovely thick cozy socks”
“Lovely material”
“Lovely colours”
“It works miracle during winter”
What buyers complain about
“a bit big”
“Poor Quality”
“it doesn't add thickness”
“Material quality is bad”
“no fleece lining”
“it wont keep you warm”
“Yet another pair of leggings advertised as fleece lined but yet there is none”
“I am a small person so it was draughty”
“the arm length on them is too short / a couple of inches too short”
“Bobbles after 1 wear”
Top return reasons
Common questions
- Is thermal underwear womens profitable to sell on Amazon United Kingdom?
- The niche generates £80K/yr across 120 tracked products. 0 of 17 products launched in the last 360 days are still selling. 90-day search growth is -80.3%. Flapen's verdict: Skip it (45/100).
- How competitive is the thermal underwear womens niche?
- 41 brands and 69 sellers compete. The top 5 products take 19% of clicks and top 5 brands hold 49% of demand.
- What do buyers complain about in thermal underwear womens?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 3.3%.
- When does demand for thermal underwear womens peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 32.3× the quietest.
- What does it cost to enter the thermal underwear womens niche?
- Listings span £4.90–£26.40; the average listing price is £12.86 (sweet spot $15–$100). The average incumbent carries 2,527 reviews — the moat a new listing must climb.