da brim
Skip itA small market ($84K/yr) — this niche doesn't clear our bar today.
Returns
Great1.6%return rate — above 5% kills the launch gate
Avg price
Good$14.06avg listing price — sweet spot $15–$100
Quality gap
Good4.4★avg incumbent rating — lower means beatable quality
Competition
Good52%top-5 click share — leaders hold, buyers still browse
Conversion
Good4.5%search→purchase rate — share of searches ending in a sale
Review moat
Okay1,673.26avg incumbent reviews — the moat a new listing must climb
Price range
Okay$6.93–$21.00cheapest to priciest tracked listing — scored on the share inside $15–$100
Brand share
Okay84%top-5 brand share — brands hold most of the demand
Growth
Okay+4.4%90-day search growth — must beat 0% to launch
Market size
Bad$84K$84K/yr · 134K searches
According to Flapen's Amazon United States niche tracking, da brim is a $84K/yr Amazon United States market (134K searches/yr). The top 5 brands hold 84% of demand. Demand peaks in Mar–Apr. Verdict: Skip it — 48/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
da brim market data
- Units sold / yr
- 4K–5K
- avg 0–100/product
- Revenue / yr
- $56K–$70K
- units × avg price
- Conversion rate
- 4.5%
- Avg BSR
- #39
- Page quality
- 0%
- Prime
- 97%
- Sponsored
- 91%
- Out of stock
- 1.0%
- Avg brand age
- 45 months
- Avg seller age
- 165 days
Competition & brand share
The top 5 products take 52% of clicks — established leaders, but buyers still shop beyond them.Brands
17 falling
Sellers
31
Top-5 brand share
84%
Top 20: 100%
Top-5 click share
52%
Top 20: 86%
Open market
14%
- MELASA48%
- THINDUST25%
- SAITAG6%
- SUNMECI3%
- Lauzq2%
- MISSION2%
- Open — no brand owns it (11 brands, 14%)
Demand & seasonality
Weekly Amazon search volume, last 104 weeks — +4.4% search growth over the last 90 days.Peak months: Mar, Apr · busiest ÷ quietest = 2.0×
Top da brim search terms
- hard hat cap27K/yr
- hard hat hair protector9K/yr
- hard hat caps8K/yr
- cooling helmet liners for men5K/yr
- cooling cap for hard hat4K/yr
- hard hat sweat cap5K/yr
- gorra para casco de construccion4K/yr
- chill its skull cap4K/yr
- hard hat under cap4K/yr
- knit skull cap7K/yr
Top da brim 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
THINDUST 3-Pack Breathable Mesh Skull Cap Sweat Control Helmet Liner
THINDUST$15.214.4★775 rev

MELASA Cooling Skull Caps Helmet Liner Lightweight Mesh Under Helmet Cycling Motorcycle Hard Hat Sweat Liner for Men Women (Black)
MELASA$8.924.5★2,049 rev

MELASA Cooling Skull Cap Breathable Sweat-Wicking Under Helmet
MELASA$12.754.5★2,049 rev

Skull Cap Helmet Liner Beanie Cooling Mesh Cycling Running Hat for Men Women Fits Under Helmets (Black & Dark Blue)
MELASA$11.464.4★4,848 rev

MELASA Cooling Breathable Sweat-Wicking Skull Cap for Cycling & Hard Hat
MELASA$21.004.6★173 rev
Newest
by launch date
Lauzq 3Pack Cooling Breathable Mesh Skull Cap Helmet Liner Sweat & Quick Dry Cycling Motorcycle Hard Hat Liner for Men Women Black/Black/Black
Lauzq$10.6529 rev

MELASA Cooling Skull Cap Breathable Sweat-Wicking Under Helmet
MELASA$12.752,049 rev

THINDUST 3-Pack Camo Helmet Liner Skull Cap Breathable Mesh for Men Women
THINDUST$15.1797 rev

THINDUST 3-Pack Camo Helmet Liner Skull Cap Breathable Mesh for Men Women
THINDUST$15.1997 rev

THINDUST 3-Pack Camo Helmet Liner Skull Cap Breathable Mesh for Men Women
THINDUST$14.9897 rev
Trending
90-day click momentum
Lauzq 3Pack Cooling Breathable Mesh Skull Cap Helmet Liner Sweat & Quick Dry Cycling Motorcycle Hard Hat Liner for Men Women Black/Black/Black
Lauzq$10.654.0★

MELASA Cooling Skull Cap Breathable Sweat-Wicking Under Helmet
MELASA$12.754.5★

THINDUST 3-Pack Camo Helmet Liner Skull Cap Breathable Mesh for Men Women
THINDUST$15.194.6★

THINDUST 3-Pack Camo Helmet Liner Skull Cap Breathable Mesh for Men Women
THINDUST$15.174.6★

MELASA Cooling Breathable Sweat-Wicking Skull Cap for Cycling & Hard Hat
MELASA$20.384.6★
What buyers say about da brim
What buyers praise and complain about, mined from review topics.What buyers love
“Easy to fit”
“Product satisfactory”
“Comfortable and light weight”
“Great Value”
“It's Breathable”
“Light weight and breathable”
“Helps with sweat”
“As advertised”
“Keeps your head warm too”
“quality material”
What buyers complain about
“Super small”
“These are very cheap looking”
“It also felt a bit thinner than expected”
“Not comfortable at all”
“It was not cooling”
“If I sweat a lot”
“the material is very slick feeling”
“overpriced delivery fees on top”
“But the measurements is off”
“The elastic is cheap”
Top return reasons
Common questions
- Is da brim profitable to sell on Amazon United States?
- The niche generates $84K/yr across 35 tracked products. 9 of 9 products launched in the last 360 days are still selling. 90-day search growth is +4.4%. Flapen's verdict: Skip it (48/100).
- How competitive is the da brim niche?
- 17 brands and 31 sellers compete. The top 5 products take 52% of clicks and top 5 brands hold 84% of demand.
- What do buyers complain about in da brim?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Thickness. The return rate is 1.6%.
- When does demand for da brim peak?
- Demand peaks in Mar–Apr; the busiest month runs 2.0× the quietest.
- What does it cost to enter the da brim niche?
- Listings span $6.93–$21.00; the average listing price is $14.06 (sweet spot $15–$100). The average incumbent carries 1,673 reviews — the moat a new listing must climb.