pair of thieves underwear men
Worth a lookShows a sweet-spot price point ($31.98 avg), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Avg price
Incredible$31.98avg listing price — sweet spot $15–$100
Price range
Incredible$16.21–$55.33cheapest to priciest tracked listing — scored on the share inside $15–$100
Competition
Great25%top-5 click share — an open shelf
Returns
Great1.3%return rate — above 5% kills the launch gate
Market size
Good$641K$641K/yr · 1.2M searches
Quality gap
Okay4.5★avg incumbent rating — lower means beatable quality
Growth
Okay+13.0%90-day search growth — must beat 0% to launch
Review moat
Bad6,326.66avg incumbent reviews — the moat a new listing must climb
Conversion
Bad1.6%search→purchase rate — share of searches ending in a sale
Brand share
Bad97%top-5 brand share — brand-locked demand
According to Flapen's Amazon United States niche tracking, pair of thieves underwear men is a $641K/yr Amazon United States market (1.2M searches/yr). The top 5 brands hold 97% of demand. Verdict: Worth a look — 56/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
pair of thieves underwear men market data
- Units sold / yr
- 20K–25K
- avg 100–250/product
- Revenue / yr
- $640K–$800K
- units × avg price
- Conversion rate
- 1.6%
- Avg BSR
- #388
- Page quality
- 0%
- Prime
- 100%
- Sponsored
- 99%
- Out of stock
- 10.8%
- Avg brand age
- 46 months
- Avg seller age
- 129 days
Competition & brand share
Clicks spread well past the top 5 (25% combined) — an open shelf where new products get seen.Brands
9 rising
Sellers
26
Top-5 brand share
97%
Top 20: 100%
Top-5 click share
25%
Top 20: 58%
Open market
2%
- Pair of Thieves74%
- BAMBOO COOL16%
- Expertoftio4%
- INNERSY2%
- Warriors & Scholars1%
- Hanes1%
- Open — no brand owns it (3 brands, 2%)
Top pair of thieves underwear men search terms
- pair of thieves boxer briefs507K/yr
- pair of thieves238K/yr
- pair of thieves underwear143K/yr
- puma boxers briefs for men40K/yr
- hanes long leg boxer briefs men33K/yr
- new balance underwear28K/yr
- pair of thieves boxers33K/yr
- new balance boxers25K/yr
- pair of thieves long boxer briefs21K/yr
- pair of thieves underwear men29K/yr
Top pair of thieves underwear men 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
Pair of Thieves Men Super Fit Long Boxer Briefs | Underwear for Men | 3 Pack | Lightweight Soft 4-Way Stretch Fabric | Moisture Wicking for the Gym Work and Daily Comfort | Everyday Boxer Briefs
Pair of Thieves$32.794.6★3,642 rev
Pair of Thieves Men Super Fit Boxer Briefs | Underwear for Men | 3 Pack | Ultra Soft Quick-Dry Fabric with 4-Way Stretch | Moisture Wicking for Work Training and Comfort | Everyday Boxer Briefs
Pair of Thieves$32.284.6★3,597 rev
Pair of Thieves Men Super Fit Boxer Briefs | Underwear for Men | 3 Pack | Ultra Soft Quick-Dry Fabric with 4-Way Stretch | Moisture Wicking for Work Training and Comfort | Everyday Boxer Briefs
Pair of Thieves$33.494.6★3,597 rev
Pair of Thieves Men Every Day Kit Boxer Briefs | Underwear for Men | 4 Pack | Soft Tagless Cotton Spandex Blend | Moisture Wicking for the Gym Work and Daily Comfort | Everyday Boxer Briefs
Pair of Thieves$19.614.3★12,684 rev
Expertoftio Mens Underwear Viscose from Bamboo Mens Boxer Briefs 6 Inch Moisture Wicking Underwear for Men Pack Open Fly Colorful Pack Medium
Expertoftio$31.894.4★840 rev
Newest
by launch dateExpertoftio Mens Underwear Viscose from Bamboo Mens Boxer Briefs 6 Inch Moisture Wicking Underwear for Men Pack Open Fly Colorful Pack Medium
Expertoftio$31.89840 rev
Pair of Thieves Men Super Fit Trunks | Underwear for Men | 3 Pack | Breathable Mesh Polyester Spandex Blend | Moisture Wicking for Workouts Work and Daily Comfort | Everyday Secure Fit Trunks
Pair of Thieves$34.432,971 rev
Pair of Thieves Men Every Day Kit Boxer Briefs | Underwear for Men | 4 Pack | Soft Tagless Cotton Spandex Blend | Moisture Wicking for the Gym Work and Daily Comfort | Everyday Boxer Briefs
Pair of Thieves$19.6812,684 rev
Pair of Thieves Men Every Day Kit Boxer Briefs | 8 Pack Underwear for Men | Soft Tagless Cotton Spandex Blend | Black/Grey 2.0 | Large
Pair of Thieves$35.84605 rev
Pair of Thieves Men Every Day Kit Boxer Briefs | Underwear for Men | 4 Pack | Soft Tagless Cotton Spandex Blend | Moisture Wicking for the Gym Work and Daily Comfort | Everyday Boxer Briefs Black
Pair of Thieves$19.98668 rev
Trending
90-day click momentum
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.714.6★
Pair of Thieves Men Super Fit Trunks | Underwear for Men | 3 Pack | Breathable Mesh Polyester Spandex Blend | Moisture Wicking for Workouts Work and Daily Comfort | Everyday Secure Fit Trunks
Pair of Thieves$34.434.5★
Pair of Thieves Men Every Day Kit Boxer Briefs | Underwear for Men | 4 Pack | Soft Tagless Cotton Spandex Blend | Moisture Wicking for the Gym Work and Daily Comfort | Everyday Boxer Briefs Black
Pair of Thieves$19.984.4★
Pair of Thieves Men Super Fit Trunks | Underwear for Men | 3 Pack | Breathable Mesh Polyester Spandex Blend | Moisture Wicking for Workouts Work and Daily Comfort | Everyday Secure Fit Trunks Black
Pair of Thieves$32.534.5★
Expertoftio Mens Underwear Viscose from Bamboo Mens Boxer Briefs 6 Inch Moisture Wicking Underwear for Men Pack Open Fly Colorful Pack Medium
Expertoftio$31.894.4★
What buyers say about pair of thieves underwear men
What buyers praise and complain about, mined from review topics.What buyers love
“Excellent Comfortable”
“not too tight”
“Overall, I am very impressed with the quality and comfort of this 7-unit package and consider them a worthwhile investment”
“Comfortable and soft”
“Breathes well”
“Very breathable material”
“They are affordable”
“As described”
“Love the colors”
“Fabric is stretchy”
What buyers complain about
“Longer than expected”
“Not very durable”
“Cheaply made”
“Material is awful”
“Cheap and uncomfortable”
“Not worth the price”
“fabric developes holes”
“not what it says it is”
“They have wider waist bands”
“Stitching comes apart”
Top return reasons
Common questions
- Is pair of thieves underwear men profitable to sell on Amazon United States?
- The niche generates $641K/yr across 86 tracked products. 3 of 4 products launched in the last 360 days are still selling. 90-day search growth is +13.0%. Flapen's verdict: Worth a look (56/100).
- How competitive is the pair of thieves underwear men niche?
- 9 brands and 26 sellers compete. The top 5 products take 25% of clicks and top 5 brands hold 97% of demand.
- What do buyers complain about in pair of thieves underwear men?
- Top complaints mined from reviews: Size-Overall, Durability, Quality-Overall. The return rate is 1.3%.
- What does it cost to enter the pair of thieves underwear men niche?
- Listings span $16.21–$55.33; the average listing price is $31.98 (sweet spot $15–$100). The average incumbent carries 6,327 reviews — the moat a new listing must climb.