Is cotton bike shorts women profitable to sell on Amazon United States?

The niche generates $59K/yr across 87 tracked products. 1 of 6 products launched in the last 360 days are still selling. 90-day search growth is +120.1%. Flapen's verdict: Worth a look (56/100).

How competitive is the cotton bike shorts women niche?

38 brands and 65 sellers compete. The top 5 products take 28% of clicks and top 5 brands hold 63% of demand.

What do buyers complain about in cotton bike shorts women?

Top complaints mined from reviews: Size-Overall, Transparency, Thickness. The return rate is 4.7%.

When does demand for cotton bike shorts women peak?

Demand peaks in Apr–May–Jun–Jul–Aug; the busiest month runs 6.3× the quietest.

What does it cost to enter the cotton bike shorts women niche?

Listings span $5.94–$40.53; the average listing price is $18.37 (sweet spot $15–$100). The average incumbent carries 8,903 reviews — the moat a new listing must climb.

cotton bike shorts women

Worth a look

Shows demand growing +120.1% this quarter, but a failed launch gate (market size, growth, or returns) keeps it on the watch list.

Growth

Incredible+120.1%

90-day search growth — must beat 0% to launch

Competition

Great28%

top-5 click share — an open shelf

Avg price

Great$18.37

avg listing price — sweet spot $15–$100

Price range

Good$5.94–$40.53

cheapest to priciest tracked listing — scored on the share inside $15–$100

Brand share

Good63%

top-5 brand share — brands hold most of the demand

Quality gap

Good4.4★

avg incumbent rating — lower means beatable quality

Returns

Okay4.7%

return rate — above 5% kills the launch gate

Review moat

Bad8,902.97

avg incumbent reviews — the moat a new listing must climb

Market size

Bad$59K

$59K/yr · 311K searches

Conversion

Bad1.0%

search→purchase rate — share of searches ending in a sale

Signals Trending

According to Flapen's Amazon United States niche tracking, cotton bike shorts women is a $59K/yr Amazon United States market (311K searches/yr). The top 5 brands hold 63% of demand. Demand peaks in Apr–May–Jun–Jul–Aug. Verdict: Worth a look — 56/100.

Data updated Jul 12, 2026 · scored weekly · How we score niches

cotton bike shorts women market data

Units sold / yr: 4K–5K; avg 0–100/product
Revenue / yr: $73K–$92K; units × avg price
Conversion rate: 1.0%
Avg BSR: #272
Page quality: 0%
Prime: 99%
Sponsored: 91%
Out of stock: 1.3%
Avg brand age: 41 months
Avg seller age: 149 days

Competition & brand share

Clicks spread well past the top 5 (28% combined) — an open shelf where new products get seen.

Brands

38 falling

Sellers

Top-5 brand share

63%

Top 20: 91%

Top-5 click share

28%

Top 20: 63%

Open market

33%

Jockey24%
wirarpa20%
Molasus10%
Leafigure5%
FULLSOFT4%
Hanes4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — +120.1% search growth over the last 90 days.

Peak months: Apr, May, Jun, Jul, Aug · busiest ÷ quietest = 6.3×

Open Trend

Top cotton bike shorts women search terms

cotton bike shorts41K/yr +125.7%0.7% conv.
cotton bike shorts women42K/yr +115.0%0.8% conv.
womens cotton biker shorts30K/yr +105.6%0.9% conv.
jockey shorts for women23K/yr +154.0%0.7% conv.
biker shorts cotton19K/yr +125.0%0.8% conv.
womens cotton bike shorts19K/yr +137.9%1.0% conv.
plus size bike shorts with pockets17K/yr +148.4%0.8% conv.
short de licra para mujer16K/yr +46.8%0.3% conv.
long bike shorts women11K/yr +131.3%1.2% conv.
jockey shorts13K/yr +83.7%0.4% conv.

All search terms

Top cotton bike shorts women 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.

Beatable (≤4.3★) Contested Strong incumbent (>4.7★)

All 24 tracked products in this niche — three views at once, no toggling.

Top sellers

by 90-day click share

wirarpa Womens Cotton Boy Shorts Underwear Long Leggings Under Shorts Anti Chafe Bloomers 4 Pack Multicolored Size M

wirarpa$25.074.5★27,888 rev

Jockey Womens 2 Pack 5 Active Bike Shorts

Jockey$19.674.5★686 rev

wirarpa Womens Cotton Boy Shorts Underwear Anti Chafing Soft Biker Short Long Leggings Plus Boy Shorts Panties Black 4 Pack Size M

wirarpa$24.144.5★27,888 rev

wirarpa Womens Cotton Boy Shorts Underwear Long Leggings Under Shorts Anti Chafe Bloomers 4 Pack Multicolored Size S

wirarpa$23.734.5★27,888 rev

Molasus Womens Boxer briefs Cotton Boy Shorts Underwear Anti Chafing Bike Short Long Leg Under Shorts Multicolor 4 Pack Size 5

Molasus$24.554.4★15,748 rev

Newest

by launch date

Okimay 4 Pack Cotton Boy Shorts Underwear for Women Anti Chafing Shorts for Under Dresses Soft Boxers Panties

Okimay$19.18492 rev

1y ago

Leafigure 2 Pack Womens Biker Shorts with Pockets High Waisted Tummy Control Yoga Shorts for Women Running Gym and Workout Black L-XL

Leafigure$9.516,272 rev

1y ago

HLTPRO 3 Pack Plus Size Biker Shorts with Pockets for Women - 8 High Waisted Spandex Athletic Bike Shorts for Yoga Workout

HLTPRO$16.263,109 rev

3y ago

FULLSOFT High Waisted Biker Shorts for Women-5 Tummy Control Fitness Athletic Workout Running Yoga Gym Soft Compression Bike Volleyball Spandex Shorts Clothes for Women Womens Clothing(Black S-M)

FULLSOFT$7.268,495 rev

3y ago

Natural Feelings Buttercloud 4 Pack Biker Shorts for Women-8 High Waist Tummy Control Workout Shorts Athletic Gym Yoga Pants

Natural Feelings$19.686,152 rev

4y ago

What buyers say about cotton bike shorts women

What buyers praise and complain about, mined from review topics.

What buyers love

Size-Overall22%

“fit as expected”

Comfort-Overall20%

“so comfortable to wear”

Soft Feel11%

“Material is soft and comfortable”

Value For Money5%

“Money well spent”

Quality-Overall5%

“Excellent quality”

Pockets/Compartments4%

“Love the pockets”

Material Quality4%

“Lightweight material”

Stretchability/Expandability/Elasticity3%

“Nice stretch fits well”

Advertised Vs Actual Product2%

“As advertised”

Exercise/Sports Suitability2%

“Great workout shorts”

What buyers complain about

Size-Overall15%

“Too short”

Transparency8%

“Completely see through/ transparent”

Thickness7%

“The material is decently thick”

Material Quality6%

“the material is not good”

Smell5%

“Weird Smell”

Quality-Overall4%

“Low quality”

Thin4%

“Thin Material”

Pockets/Compartments2%

“No pockets”

Thigh Fit2%

“tighter in the thigh so nothing rubs”

Stretchability/Expandability/Elasticity2%

“not a whole lot of elasticity there”

Top return reasons

Size-Overall45%

Length9%

Material Quality8%

Waist Fit8%

Thin7%

Thigh Fit4%

Transparency3%

Inseam Fit3%