Mens Athletic Underwear
Worth a lookShows a sweet-spot price point ($31.17 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$31.17avg listing price — sweet spot $15–$100
Price range
Great$12.67–$51.47cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great27%top-5 click share — an open shelf
Returns
Great1.5%return rate — above 5% kills the launch gate
Market size
Good$768K$768K/yr · 998K searches
Growth
Good+21.0%90-day search growth — must beat 0% to launch
Conversion
Okay2.5%search→purchase rate — share of searches ending in a sale
Quality gap
Bad4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad9,190.04avg incumbent reviews — the moat a new listing must climb
Brand share
Bad99%top-5 brand share — brand-locked demand
Is mens athletic underwear profitable on Amazon?
According to Flapen's Amazon United States niche tracking, mens athletic underwear is a $768K/yr Amazon United States market (998K searches/yr). The top 5 brands hold 99% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 56/100.
Data updated Jul 20, 2026 · scored weekly · How we score niches
mens athletic underwear market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 25K–30K
- avg 250–500/product
- Revenue / yr
- $779K–$935K
- units × avg price
- Conversion rate
- 2.5%
- Avg BSR
- #54
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 99%
- Out of stock
- 0.2%
- Avg brand age
- 46 months
- Avg seller age
- 121 days
Competition: brands, sellers & click share
Clicks spread well past the top 5 (27% combined) — an open shelf where new products get seen.Brands
7 rising
Sellers
92
Top-5 brand share
99%
Top 20: 100%
Top-5 click share
27%
Top 20: 59%
Open market
1%
- Under Armour70%
- BAMBOO COOL23%
- PUMA3%
- New Balance1%
- Hanes1%
- adidas1%
- Open — no brand owns it (1 brand, 1%)
mens athletic underwear demand & seasonality
Weekly Amazon search volume, last 104 weeks — +21.0% search growth over the last 90 days.Peak months: Nov, Dec · busiest ÷ quietest = 2.2×
Top mens athletic underwear search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- under armour underwear men324K/yr
- underarmour underwear men84K/yr
- under armour boxer briefs men70K/yr
- under armor underwear men50K/yr
- under armour mens underwear45K/yr
- under armour underwear42K/yr
- mens under armour underwear45K/yr
- under armour boxers34K/yr
- mens performance underwear34K/yr
- adidas underwear30K/yr
Top mens athletic 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
Under Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam Ultra-Soft 3-Pack Black Solid Medium
Under Armour$32.294.6★9,017 rev
Under Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam Ultra-Soft 3-Pack Black Solid X-Large
Under Armour$32.564.6★9,017 rev
Under Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam Ultra-Soft 3-Pack Black Solid Large
Under Armour$32.224.6★9,017 rev
Under Armour Mens Performance Tech Mesh Boxerjock Brief Underwear 6 Inseam Ultra-Soft 3-Pack Black Solid Large
Under Armour$32.874.7★2,245 rev
Under Armour Mens Performance Tech Long-Leg Boxerjock Brief Underwear 9 Inseam 3-Pack Black Solid 4X-Large
Under Armour$29.154.7★8,690 rev
Newest
by launch date
Under Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam 3-Pack Marine Green Camo Print Medium
Under Armour$32.299,017 rev
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$46.564,351 rev
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$45.734,351 rev
Under Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam Ultra-Soft 3-Pack Gravel Gray Print Large
Under Armour$33.079,017 rev
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.757,311 rev
Trending
90-day click momentumUnder Armour Mens Performance Tech Boxerjock Brief Underwear 6 Inseam 3-Pack Marine Green Camo Print Medium
Under Armour$32.294.6★
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$46.564.7★
Under Armour Mens Performance Tech Long-Leg Boxerjock Brief Underwear 9 Inseam 3-Pack Black Solid 4X-Large
Under Armour$29.154.7★
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.714.6★
BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack
BAMBOO COOL$31.574.5★
What reviews say buyers love and hate about mens athletic underwear
What buyers praise and complain about, mined from review topics.What buyers love
“making them very comfortable to wear”
“Excellent fit”
“Overall, I am very impressed with the quality and comfort of this 7-unit package and consider them a worthwhile investment”
“Awesome breathability”
“The fabric feels soft”
“They are affordable”
“Excellent material”
“As described”
“Durable and great”
“beautiful colors”
What buyers complain about
“they were huge”
“Low quality”
“they are falling apart”
“The material is loose”
“Wearing these has been an uncomfortable experience”
“False advertisement”
“Not worth the price”
“came with holes already in them”
“every single pair have ripped at the seam”
“They don't stretch out like the Hanes underwear does”
Top return reasons
Common mens athletic underwear questions
- Is mens athletic underwear profitable to sell on Amazon United States?
- The niche generates $768K/yr across 73 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +21.0%. Flapen's verdict: Worth a look (56/100).
- How competitive is the mens athletic underwear niche?
- 7 brands and 92 sellers compete. The top 5 products take 27% of clicks and top 5 brands hold 99% of demand.
- What do buyers complain about in mens athletic underwear?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Durability. The return rate is 1.5%.
- When does demand for mens athletic underwear peak?
- Demand peaks in Nov–Dec; the busiest month runs 2.2× the quietest.
- What does it cost to enter the mens athletic underwear niche?
- Listings span $12.67–$51.47; the average listing price is $31.17 (sweet spot $15–$100). The average incumbent carries 9,190 reviews — the moat a new listing must climb.