croc liners
Skip itA small market ($13K/yr) — this niche doesn't clear our bar today.
Quality gap
Incredible3.7★avg incumbent rating — lower means beatable quality
Competition
Good45%top-5 click share — leaders hold, buyers still browse
Price range
Good£2.95–£28.46cheapest to priciest tracked listing — scored on the share inside $15–$100
Review moat
Okay2,336avg incumbent reviews — the moat a new listing must climb
Brand share
Okay83%top-5 brand share — brands hold most of the demand
Returns
Okay4.9%return rate — above 5% kills the launch gate
Avg price
Bad£8.06avg listing price — sweet spot $15–$100
Conversion
Bad1.5%search→purchase rate — share of searches ending in a sale
Growth
Bad-21.7%90-day search growth — must beat 0% to launch
Market size
Bad£13K£13K/yr · 103K searches
According to Flapen's Amazon United Kingdom niche tracking, croc liners is a £13K/yr Amazon United Kingdom market (103K searches/yr). The top 5 brands hold 83% of demand. Demand peaks in Jan–Oct–Nov–Dec. Verdict: Skip it — 37/100.
Data updated Jul 23, 2026 · scored weekly · How we score niches
croc liners market data
- Units sold / yr
- 2K–2K
- avg 0–100/product
- Revenue / yr
- £12K–£16K
- units × avg price
- Conversion rate
- 1.5%
- Avg BSR
- #733
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 80%
- Out of stock
- 31.8%
- Avg brand age
- 36 months
- Avg seller age
- 188 days
Competition & brand share
The top 5 products take 45% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
26
Top-5 brand share
83%
Top 20: 100%
Top-5 click share
45%
Top 20: 84%
Open market
13%
- Endoto40%
- Rosyduck17%
- VILITI12%
- Tsathoggua7%
- Knixmax7%
- Holibanna5%
- Open — no brand owns it (11 brands, 13%)
Demand & seasonality
Weekly Amazon search volume, last 86 weeks — -21.7% search growth over the last 90 days.Peak months: Jan, Oct, Nov, Dec · busiest ÷ quietest = 10.7×
Top croc liners search terms
- croc insoles6K/yr
- croc liners22K/yr
- insoles for crocs3K/yr
- fur liners for crocs10K/yr
- croc inserts6K/yr
- croc socks liners2K/yr
- croc inserts fleece7K/yr
- crocs liners6K/yr
- crocs inserts5K/yr
- fluffy croc inserts9K/yr
Top croc liners 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
Endoto Fuzzy Inserts for Croc Replacement Fur Fluffy Fleece Liners Winter Warm Inner Lining Socks for Men and Women(Color:Beige Size:Men11/Women13)
Endoto£12.353.6★190 rev
Endoto Fuzzy Inserts for Croc Replacement Fur Fluffy Fleece Liners Winter Warm Inner Lining Socks for Men and Women(Color:Black Size:Men6/Women8)
Endoto£11.803.4★264 rev
Crocs Replacement Insoles with Fluffy Fur Lining Winter Clogs with Short Plush Liners and Lace Covers
Rosyduck£7.093.8★113 rev
1 Pair Liners for Crocs Fluffy White Inserts Fuzzy Fleece Fur Lined Women Slippers Winter Warm Cozy Shoes Lining Insert Replacement Insoles Sock Womens Mens (38-39 Size)
VILITI£4.883.5★14 rev
Crocs Replacement Insoles Crocs Fluffy Fur Lining Crocodile Inserts Winter Lining with Lace Lining Removable Short Plush Insole
Rosyduck£7.123.8★113 rev
Newest
by launch date
Fluffy Inserts Croc Liners Insert Fleece White Replacement Insoles Fur Lining Clogs Shoes Warm Plush Removable Lined Lnsoles for House Slipper Washable Winter Slippers Cozy Comfort Inner 38-39
ALLGAYER£2.952 rev
1 Pair Liners for Crocs Fluffy White Inserts Fuzzy Fleece Fur Lined Women Slippers Winter Warm Cozy Shoes Lining Insert Replacement Insoles Sock Womens Mens (36-37 Size)
VILITI£5.206 rev
1 Pair Liners for Crocs Fluffy White Inserts Fuzzy Fleece Fur Lined Women Slippers Winter Warm Cozy Shoes Lining Insert Replacement Insoles Sock Womens Mens (38-39 Size)
VILITI£4.8814 rev
Warm Insoles for Hole Shoes Fur Liners for Crocs Removable Shoes Warm Liner Fluffy Inserts Short Plush Insert Lining Shoe Inner (White 36-37)
Tsathoggua£5.8821 rev
Crocs clogs Replacement Nsoles Fluffy Fur Lined with Shoelace Cover Winter Liner Plush Insert Lining Black (40-41)
Tsathoggua£5.8828 rev
Trending
90-day click momentum
Knixmax Outdoor 2 Pairs Women Thin Insoles for Crocs Clogs Comfort Sockless Inserts for Birkenstock Insole Garden Work Shoes Water Boots Washable Barefoot Liners for Wide Shoes Grey UK5-6 /EU38-39
Knixmax£6.604.2★
Knixmax Outdoor Mens Insoles for Crocs Liners Ultra-Thin Comfort Shoes Inserts for Garden Clogs Nurse Chef Waterproof Replacement Shoe Sole for Water Boots Breathable Black UK9-10 /EU43-44
Knixmax£7.914.2★
Holibanna Hole Shoe Inserts for Adult Warm Plush Shoe Inserts with Detachable Fuzzy Liner and Heel Straps Soft Winter Insoles for Style Shoes Size 40-41
Holibanna£7.705.0★
Endoto Fuzzy Inserts for Croc Replacement Fur Fluffy Fleece Liners Winter Warm Inner Lining Socks for Men and Women(Color:Beige Size:Men11/Women13)
Endoto£12.353.6★
Endoto Fuzzy Inserts for Croc Replacement Fur Fluffy Fleece Liners Winter Warm Inner Lining Socks for Men and Women(Color:Black Size:Men11/Women13)
Endoto£12.183.4★
What buyers say about croc liners
What buyers praise and complain about, mined from review topics.What buyers love
“Fits perfectly”
“so comfy”
“Nice and warm”
“Good Quality”
“They wash well”
“Great Croc insole”
“They cushion my heel just enough to stop the pain caused by the labels”
“Looks amazing in my crocs, really soft and fluffy”
“Good value for your money”
What buyers complain about
“Don't fit properly”
“Poor quality”
“sent them back - too thin”
“Not worth your money”
“Rubbish”
“These were quite thin have no elastic at back to secure on sole”
“they moved a lot at the back do looked messy after just a couple of days”
“It was difficult to get these fitted”
Top return reasons
Common questions
- Is croc liners profitable to sell on Amazon United Kingdom?
- The niche generates £13K/yr across 40 tracked products. 0 of 6 products launched in the last 360 days are still selling. 90-day search growth is -21.7%. Flapen's verdict: Skip it (37/100).
- How competitive is the croc liners niche?
- 17 brands and 26 sellers compete. The top 5 products take 45% of clicks and top 5 brands hold 83% of demand.
- What do buyers complain about in croc liners?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 4.9%.
- When does demand for croc liners peak?
- Demand peaks in Jan–Oct–Nov–Dec; the busiest month runs 10.7× the quietest.
- What does it cost to enter the croc liners niche?
- Listings span £2.95–£28.46; the average listing price is £8.06 (sweet spot $15–$100). The average incumbent carries 2,336 reviews — the moat a new listing must climb.