2undr mens underwear
Skip itWeak search conversion (0.8%) — this niche doesn't clear our bar today.
Avg price
Incredible$43.46avg listing price — sweet spot $15–$100
Price range
Great$13.55–$90.45cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great23%top-5 click share — an open shelf
Returns
Good2.1%return rate — above 5% kills the launch gate
Brand share
Okay78%top-5 brand share — brands hold most of the demand
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Bad-1.1%90-day search growth — must beat 0% to launch
Review moat
Bad7,206.17avg incumbent reviews — the moat a new listing must climb
Market size
Bad$46K$46K/yr · 141K searches
Conversion
Bad0.8%search→purchase rate — share of searches ending in a sale
According to Flapen's Amazon United States niche tracking, 2undr mens underwear is a $46K/yr Amazon United States market (141K searches/yr). The top 5 brands hold 78% of demand. Verdict: Skip it — 47/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
2undr mens underwear market data
- Units sold / yr
- 1K–1K
- avg 0–100/product
- Revenue / yr
- $43K–$54K
- units × avg price
- Conversion rate
- 0.8%
- Avg BSR
- #114
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 98%
- Out of stock
- 1.9%
- Avg brand age
- 44 months
- Avg seller age
- 155 days
Competition & brand share
Clicks spread well past the top 5 (23% combined) — an open shelf where new products get seen.Brands
28 rising
Sellers
73
Top-5 brand share
78%
Top 20: 96%
Top-5 click share
23%
Top 20: 47%
Open market
19%
- BAMBOO COOL44%
- 2UNDR14%
- SAXX Underwear Co.13%
- Tommy John5%
- Calvin Klein3%
- TAILONG2%
Top 2undr mens underwear search terms
- mack weldon43K/yr
- 2undr mens underwear33K/yr
- skims men21K/yr
- lululemon underwear12K/yr
- whoop underwear men8K/yr
- crz yoga mens underwear5K/yr
- mens skims6K/yr
- skims mens5K/yr
- patagonia mens underwear5K/yr
- patagonia underwear men3K/yr
Top 2undr mens underwear 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
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

BAMBOO COOL Mens Underwear Boxer Briefs Soft Breathable Performance Underwear for Men 4 Pack (M)
BAMBOO COOL$28.584.6★6,068 rev

BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.754.6★7,311 rev

SAXX Underwear Co. Mens Core Performance Mesh Boxer Brief 3-Pack Black/Graphite/Athletic Large
SAXX Underwear Co.$46.844.6★873 rev

BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$44.474.7★4,351 rev
Newest
by launch date
2UNDR Swing Shift 6 Mens Boxer Brief 3-Pack Mens Pouch Underwear with Patented Joey Pouch Modal Underwear Men Moisture Wicking Large Stroke/Gold/Swingers
2UNDR$89.67366 rev

2UNDR Swing Shift 6 Mens Boxer Brief 3-Pack Mens Pouch Underwear with Patented Joey Pouch Modal Underwear Men Moisture Wicking Large 2 Ballsey/Cart/Margarita
2UNDR$86.42366 rev

SAXX Underwear Co. Mens Core Performance Mesh Boxer Brief 3-Pack Black/Graphite/Athletic Large
SAXX Underwear Co.$46.84873 rev

SAXX Underwear Co. Mens Core Cotton Boxer Brief Fly 3-Pack Black/Graphite Medium
SAXX Underwear Co.$45.70759 rev

Mens Bamboo Underwear 4-Pack - Ultra Soft Anti-Roll Waistband Tagless Trunks
BAMBOO COOL$33.8184 rev
Trending
90-day click momentum
2UNDR Swing Shift 6 Mens Boxer Brief 3-Pack Mens Pouch Underwear with Patented Joey Pouch Modal Underwear Men Moisture Wicking Large 2 Ballsey/Cart/Margarita
2UNDR$86.424.8★

Merino Wool T-Shirt Mens - Merino Wool Undershirt Thermal Shirt for Men and Hiking Socks (Deep Blue Large)
Merino.tech$39.784.3★

SAXX Underwear Co. Mens Core Performance Mesh Boxer Brief 3-Pack Black/Graphite/Athletic Large
SAXX Underwear Co.$46.844.6★

Tommy John Mens Luxe Modal 4 Trunk Boxer Brief Underwear 3-Pack Black/Turbulence/Monument Large
Tommy John$34.524.2★

BAMBOO COOL Mens Soft Underwear 4-Pack No Ride Up Boxer Briefs with Fly Moisture Wicking & Breathable underwear for Men
BAMBOO COOL$28.474.6★
What buyers say about 2undr mens underwear
What buyers praise and complain about, mined from review topics.What buyers love
“comfortable to wear”
“Fit like a glove”
“true to size, great quality”
“Soft fabric”
“They are affordable”
“Awesome breathability”
“Good material”
“Exactly as advertised”
“The colors are vibrant”
“They are lightweight and breathable”
What buyers complain about
“Buy one size larger”
“Product is low quality”
“Extremely uncomfortable”
“Poor quality material”
“they are falling apart”
“Stretched out”
“Very thick material even when theyre stretched out a bit”
“Not Worth the Price”
“False advertisement”
“even though the waist wasnt even close to too tight”
Top return reasons
Common questions
- Is 2undr mens underwear profitable to sell on Amazon United States?
- The niche generates $46K/yr across 94 tracked products. 4 of 6 products launched in the last 360 days are still selling. 90-day search growth is -1.1%. Flapen's verdict: Skip it (47/100).
- How competitive is the 2undr mens underwear niche?
- 28 brands and 73 sellers compete. The top 5 products take 23% of clicks and top 5 brands hold 78% of demand.
- What do buyers complain about in 2undr mens underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Comfort-Overall. The return rate is 2.1%.
- What does it cost to enter the 2undr mens underwear niche?
- Listings span $13.55–$90.45; the average listing price is $43.46 (sweet spot $15–$100). The average incumbent carries 7,206 reviews — the moat a new listing must climb.