Mens Underwear
Launch itA $27.7M/yr market growing +9.1% this quarter with returns at 2.0% — clears our launch bar.
Market size
Incredible$27.7M$27.7M/yr · 45.4M searches
Competition
Incredible15%top-5 click share — an open shelf
Avg price
Incredible$29.37avg listing price — sweet spot $15–$100
Price range
Great$10.20–$60.28cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Good2.0%return rate — above 5% kills the launch gate
Growth
Okay+9.1%90-day search growth — must beat 0% to launch
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Brand share
Okay86%top-5 brand share — brands hold most of the demand
Conversion
Okay2.1%search→purchase rate — share of searches ending in a sale
Review moat
Bad33,808.11avg incumbent reviews — the moat a new listing must climb
Is mens underwear profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mens underwear is a $27.7M/yr Amazon United States market (45.4M searches/yr). The top 5 brands hold 86% of demand. Demand peaks in Dec. Verdict: Launch it — 61/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
mens underwear market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 800K–1.0M
- avg 5,000–6,000/product
- Revenue / yr
- $23.5M–$29.4M
- units × avg price
- Conversion rate
- 2.1%
- Avg BSR
- #43
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 83%
- Out of stock
- 0.4%
- Avg brand age
- 48 months
- Avg seller age
- 129 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (15% combined) — an open shelf where new products get seen.Brands
26 falling
Sellers
141
Top-5 brand share
86%
Top 20: 99%
Top-5 click share
15%
Top 20: 39%
Open market
9%
- BAMBOO COOL33%
- Hanes31%
- ROSTITCH8%
- Calvin Klein7%
- Fruit of the Loom7%
- Champion4%
- Open — no brand owns it (20 brands, 9%)
mens underwear demand & seasonality
Weekly Amazon search volume, last 104 weeks — +9.1% search growth over the last 90 days.Peak months: Dec · busiest ÷ quietest = 1.7×
Top mens underwear search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- mens underwear12.1M/yr
- mens boxer briefs4.0M/yr
- boxers for men3.8M/yr
- mens boxers2.6M/yr
- calvin klein underwear for men2.8M/yr
- underwear for men pack2.4M/yr
- calvin klein2.5M/yr
- hanes underwear men2.2M/yr
- boxer briefs for men pack1.5M/yr
- boxers1.4M/yr
Top mens underwear products & what they sell for
Every tracked product — its share of the shelf, its review moat, and what it sells for.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
BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack
BAMBOO COOL$32.464.5★16,388 rev
ROSTITCH Mens underwear Cotton Boxer Briefs Large 4pack Multipack
ROSTITCH$13.944.5★973 rev
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.244.6★9,363 rev
ROSTITCH Mens underwear Cotton Boxer Briefs Large 8pack Multipack
ROSTITCH$27.484.5★440 rev
BAMBOO COOL Mens Underwear Boxer Briefs Soft Breathable Performance Underwear for Men 4 Pack (L)
BAMBOO COOL$28.114.6★6,068 rev
Newest
by launch date
Hanes Mens Underwear Brief Pack Dyed Cotton Briefs Moisture-Wicking Underwear for Men Mid-Rise 12-Pack
Hanes$33.1814,239 rev
ROSTITCH Mens underwear Ultra Cool Boxer Briefs Medium 6pack Multipack
ROSTITCH$21.74292 rev
Hanes Mens Boxer Brief Underwear Cool DRI Moisture-Wicking Underwear for Men 6-Pack
Hanes$19.96135,847 rev
ROSTITCH Mens underwear Cotton Boxer Briefs Large 4pack Multipack
ROSTITCH$13.94973 rev
ROSTITCH Mens underwear Cotton Boxer Briefs Large 8pack Multipack
ROSTITCH$27.48440 rev
Trending
90-day click momentumROSTITCH Mens underwear Ultra Cool Boxer Briefs Medium 6pack Multipack
ROSTITCH$21.744.6★
Hanes Mens Underwear Brief Pack Dyed Cotton Briefs Moisture-Wicking Underwear for Men Mid-Rise 12-Pack
Hanes$33.184.5★
Hanes Mens Boxer Brief Underwear Cool DRI Moisture-Wicking Underwear for Men 6-Pack
Hanes$19.964.5★
ROSTITCH Mens underwear Cotton Boxer Briefs Large 8pack Multipack
ROSTITCH$27.484.5★
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.964.6★
What reviews say buyers love and hate about mens underwear
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Comfortable”
“Fit like a glove”
“Decent Quality”
“They are affordable”
“soft on the skin”
“Awesome breathability”
“Comfortable material”
“Exactly as pictured”
“bright color”
“Durable soft”
What buyers complain about
“Too short”
“Low quality”
“uncomfortably tight”
“do not stretch”
“Bad material”
“Poor durability”
“To tight on the thigh”
“Same design thinner material”
“Runs small in waist size”
“False advertising”
Top return reasons
Common mens underwear questions
- Is mens underwear profitable to sell on Amazon United States?
- The niche generates $27.7M/yr across 151 tracked products. 23 of 25 products launched in the last 360 days are still selling. 90-day search growth is +9.1%. Flapen's verdict: Launch it (61/100).
- How competitive is the mens underwear niche?
- 26 brands and 141 sellers compete. The top 5 products take 15% of clicks and top 5 brands hold 86% of demand.
- What do buyers complain about in mens underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Comfort-Overall. The return rate is 2.0%.
- When does demand for mens underwear peak?
- Demand peaks in Dec; the busiest month runs 1.7× the quietest.
- What does it cost to enter the mens underwear niche?
- Listings span $10.20–$60.28; the average listing price is $29.37 (sweet spot $15–$100). The average incumbent carries 33,808 reviews — the moat a new listing must climb.