long sleeve running shirt
Skip itSoft demand (-83.8% this quarter) — this niche doesn't clear our bar today.
Avg price
Incredible$31.56avg listing price — sweet spot $15–$100
Price range
Great$12.27–$64.09cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Good53%top-5 click share — leaders hold, buyers still browse
Review moat
Okay3,032.07avg incumbent reviews — the moat a new listing must climb
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Market size
Bad$38K$38K/yr · 209K searches
Conversion
Bad0.6%search→purchase rate — share of searches ending in a sale
Returns
Bad10.9%return rate — above 6% kills the launch gate
Growth
Bad-83.8%90-day search growth — must beat 0% to launch
Competition
The top 5 products take 53% of clicks — established leaders, but buyers still shop beyond them.Brands
12 falling
Sellers
83
Top-5 brand share
86%
Open market
12%
- WEERTI32%
- Under Armour22%
- Cuddl Duds19%
- Spyder7%
- 32 Degrees5%
- Merino.tech2%
- Open — no brand owns it (6 brands, 12%)
Product shelf
Each bubble is one product — market share against review moat; bubble size tracks estimated sales, color grades how beatable the incumbent looks.
All 28 tracked products in this niche — three views at once, no toggling.
Top sellers
by 90-day click share
WEERTI Thermal Underwear for Women Long Johns with Fleece Lined Base Layer Women Cold Weather Top Bottom-Black M
WEERTI$26.434.5★12,937 rev
Cuddl Duds Womens Heavyweight Fleece 2 Piece Long Sleeve Thermal Underwear Set Shirt & Leggings Base Layer for Cold Weather Winter Clothing Long Johns Lounge Sets for Women Black M
Cuddl Duds$34.254.7★6,365 rev
Under Armour Womens ColdGear Authentics Leggings Black (001)/White Medium
Under Armour$42.084.5★1,452 rev
32 Degrees Womens 2 Pack Performance Ultra Light Thermal Baselayer Legging Pant Black/Black Small
32 Degrees$14.774.3★346 rev
Under Armour Womens Authentics Long Sleeves Crew Neck T-Shirt White (100)/Black Medium
Under Armour$42.204.7★819 rev
Newest
by launch date
Cuddl Duds Womens Heavyweight Fleece 2 Piece Long Sleeve Thermal Underwear Set Shirt & Leggings Base Layer for Cold Weather Winter Clothing Long Johns Lounge Sets for Women Navy Blue XXS
Cuddl Duds$32.996,365 rev
Spyder Womens Micro French Terry Base Layer Thermal Long Johns Bottom Black Small
Spyder$12.2726 rev
Spyder Womens Micro French Terry Base Layer Thermal Long Johns Bottom Heather Grey X-Large
Spyder$12.6426 rev
Spyder Womens Micro French Terry Long Sleeve Crew Neck Base Layer Thermal Top Black X-Large
Spyder$13.1739 rev
Spyder Womens Micro French Terry Long Sleeve Crew Neck Base Layer Thermal Top Heather Grey Medium
Spyder$16.8939 rev
Trending
90-day click momentumSpyder Womens Micro French Terry Long Sleeve Crew Neck Base Layer Thermal Top Black X-Large
Spyder$13.174.2★
Spyder Womens Micro French Terry Long Sleeve Crew Neck Base Layer Thermal Top Heather Grey Medium
Spyder$16.894.2★
Spyder Womens Micro French Terry Base Layer Thermal Long Johns Bottom Heather Grey X-Large
Spyder$12.644.7★
Spyder Womens Micro French Terry Base Layer Thermal Long Johns Bottom Black Small
Spyder$12.274.7★
2 Packs Thermal Underwear for Women Long Johns Set for Cold Weather Base Layer Top & Bottom with Fleece Lined
persimar$28.244.5★
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — -83.8% search growth over the last 90 days.Peak months: Jan, Feb, Oct, Nov, Dec · busiest ÷ quietest = 18.6×
Reviews
What buyers praise and complain about, mined from review topics.What buyers love
“Keeps me warm”
“the pants fit great”
“Very Comfortable”
“Everything was well made”
“Softest fabric ever”
“WORTH THE PRICE”
“it is lightweight feel”
“It works as expected”
“Im still blown away by the waterproof experience”
“The material is warm”
What buyers complain about
“Way too small”
“Not that warm”
“I thought the material was thinner”
“peels quickly leaving no waterproof protection”
“they did not keep my hands warm this Winter”
“Different than expected”
“Made very cheap”
“they develop a strong smell — think high school locker room”
“Doesn't work”
“Elastic band is very tight”