Is black knee high socks profitable to sell on Amazon United States?

The niche generates $147K/yr across 31 tracked products. 0 of 4 products launched in the last 360 days are still selling. 90-day search growth is -23.0%. Flapen's verdict: Skip it (40/100).

How competitive is the black knee high socks niche?

18 brands and 22 sellers compete. The top 5 products take 49% of clicks and top 5 brands hold 75% of demand.

What do buyers complain about in black knee high socks?

Top complaints mined from reviews: Size-Overall, Thickness, Thigh Fit. The return rate is 4.4%.

When does demand for black knee high socks peak?

Demand peaks in Oct–Nov; the busiest month runs 5.7× the quietest.

What does it cost to enter the black knee high socks niche?

Listings span $5.75–$16.03; the average listing price is $10.73 (sweet spot $15–$100). The average incumbent carries 3,210 reviews — the moat a new listing must climb.

black knee high socks

Skip it

Prices mostly outside the sweet spot ($5.75–$16.03) — this niche doesn't clear our bar today.

Conversion

Great7.0%

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

Competition

Good49%

top-5 click share — leaders hold, buyers still browse

Brand share

Good75%

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

Quality gap

Okay4.5★

avg incumbent rating — lower means beatable quality

Avg price

Okay$10.73

avg listing price — sweet spot $15–$100

Review moat

Okay3,210.26

avg incumbent reviews — the moat a new listing must climb

Market size

Okay$147K

$147K/yr · 196K searches

Returns

Okay4.4%

return rate — above 5% kills the launch gate

Growth

Bad-23.0%

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

Price range

Bad$5.75–$16.03

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

According to Flapen's Amazon United States niche tracking, black knee high socks is a $147K/yr Amazon United States market (196K searches/yr). The top 5 brands hold 75% of demand. Demand peaks in Oct–Nov. Verdict: Skip it — 40/100.

Data updated Jul 14, 2026 · scored weekly · How we score niches

black knee high socks market data

Units sold / yr: 15K–20K; avg 250–500/product
Revenue / yr: $161K–$215K; units × avg price
Conversion rate: 7.0%
Avg BSR: #2,633
Page quality: 0%
Prime: 100%
Sponsored: 100%
Out of stock: 0.2%
Avg brand age: 47 months
Avg seller age: 159 days

Competition & brand share

The top 5 products take 49% of clicks — established leaders, but buyers still shop beyond them.

Brands

18 falling

Sellers

Top-5 brand share

75%

Top 20: 100%

Top-5 click share

49%

Top 20: 91%

Open market

21%

COTTON DAY28%
Olreco16%
Sarfel15%
Century Star8%
Amazon Essentials7%
Moon Wood4%

Demand & seasonality

Weekly Amazon search volume, last 104 weeks — -23.0% search growth over the last 90 days.

Peak months: Oct, Nov · busiest ÷ quietest = 5.7×

Open Trend

Top black knee high socks search terms

black knee high socks104K/yr -19.6%5.4% conv.
knee high black socks27K/yr -7.2%6.3% conv.
black knee socks16K/yr -9.6%4.9% conv.
black knee high socks for women13K/yr -38.8%5.0% conv.
knee high socks black7K/yr -1.4%5.5% conv.
black knee socks women8K/yr -52.8%7.2% conv.
womens black knee high socks7K/yr -61.6%6.4% conv.
knee high black socks women6K/yr -36.7%7.8% conv.
black socks knee high4K/yr -17.5%3.8% conv.
womens black knee socks4K/yr -52.8%7.7% conv.

All search terms

Top black knee high socks 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

Sarfel Womens Knee High Socks Black Knee High Socks for Women Knee High Black Socks Long Socks for Women Knee Socks for Women

Sarfel$9.974.6★423 rev

COTTON DAY Womens Soft Combed Cotton Knee High Long Calf Dress Socks Seamless Toe Shoe Size 9-11 Black

COTTON DAY$15.614.6★4,382 rev

COTTON DAY Womens Soft Combed Cotton Knee High Long Calf Dress Socks Seamless Toe Shoe Size 6-9 Black

COTTON DAY$15.604.6★4,382 rev

Olreco Black Knee High Socks for Women Knee High Black Socks for Women Long Sock Halloween Sock Womens Halloween Costumes Woman

Olreco$7.354.4★62 rev

Century Star Black Knee High Long Socks -Thin Athletic Sports Thigh Calf High Socks for Women Boots

Century Star$6.884.5★3,593 rev

Newest

by launch date

Sarfel Black Knee High Socks for Women Black Long Socks for Women Knee Highs for Womens Dark Fairy Accessories Halloween Sock

Sarfel$8.2888 rev

9mo ago

Olreco Black Knee High Socks for Women Knee High Black Socks for Women Long Sock Halloween Sock Womens Halloween Costumes Woman

Olreco$7.3562 rev

10mo ago

COTTON DAY Womens Cotton Thigh High Over Knee Socks Extra Long Boot Stockings Leg Warmers Black Shoe Size 6-9 S/M

COTTON DAY$8.8060 rev

10mo ago

yeabwps 3Pairs Knee High Socks for Women Stretchy Thigh High Stocking Long white Knee High Sock for Casual Outdoor Cosplay

yeabwps$5.9726 rev

1y ago

Olreco Black Knee High Socks for Women Knee High Black Socks Womens Long Sock for Women Knee Sock Womens Halloween Accessories

Olreco$9.11245 rev

1y ago

What buyers say about black knee high socks

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

What buyers love

Comfort-Overall14%

“So Comfortable”

Warmth13%

“help to keep me warm”

Size-Overall13%

“Not too tight just perfect”

Quality-Overall12%

“Looks well made”

Soft Feel7%

“Very soft and comfortable socks”

Advertised Vs Actual Product4%

“Product as advertised”

Value For Money4%

“Good for the price”

Thickness3%

“Great socks of light to medium thickness”

Material Quality3%

“Soft material”

Length2%

“Great length”

What buyers complain about

Size-Overall19%

“Runs way small”

Thickness9%

“Thick”

Thigh Fit8%

“very tight and these are NOT thigh highs”

Quality-Overall6%

“Cheap”

Material Quality4%

“The material is thin, rough and after one use they get holes in them”

Gap/Hole3%

“These are cheap socks got a hole in them almost right away”

Advertised Vs Actual Product3%

“The picture is deceiving”

Stretchability/Expandability/Elasticity3%

“Not very stretchy”

Comfort-Overall2%

“Not very comfortable”

Durability2%

“Do not last”

Top return reasons

Size-Overall25%

Length19%

Feet Fit9%

Thigh Fit8%

Material Quality8%

Thin6%