Kirkland Underwear Men
Skip itBrand-locked demand (top 5 brands take 100% of clicks) — this niche doesn't clear our bar today.
Avg price
Incredible$34.51avg listing price — sweet spot $15–$100
Price range
Incredible$15.15–$51.01cheapest to priciest tracked listing — scored on the share inside $15–$100
Returns
Great1.3%return rate — above 5% kills the launch gate
Conversion
Good4.3%search→purchase rate — share of searches ending in a sale
Growth
Good+20.0%90-day search growth — must beat 0% to launch
Competition
Okay57%top-5 click share — leaders hold, buyers still browse
Quality gap
Okay4.6★avg incumbent rating — lower means beatable quality
Review moat
Bad16,775.08avg incumbent reviews — the moat a new listing must climb
Market size
Bad$46K$46K/yr · 31K searches
Brand share
Bad100%top-5 brand share — brand-locked demand
Is kirkland underwear men profitable on Amazon?
According to Flapen's Amazon United States niche tracking, kirkland underwear men is a $46K/yr Amazon United States market (31K searches/yr). The top 5 brands hold 100% of demand. Verdict: Skip it — 43/100.
Data updated Jul 21, 2026 · scored weekly · How we score niches
kirkland underwear men market size & sales
Units sold, revenue, conversion and listing quality across the tracked shelf.- Units sold / yr
- 2K–2K
- avg 100–250/product
- Revenue / yr
- $52K–$69K
- units × avg price
- Conversion rate
- 4.3%
- Avg BSR
- #379
- Page quality
- 0%
- Prime
- 84%
- Sponsored
- 64%
- Out of stock
- 0.0%
- Avg brand age
- 48 months
- Avg seller age
- 135 days
Competition: brands, sellers & click share
The top 5 products take 57% of clicks — established leaders, but buyers still shop beyond them.Brands
5 rising
Sellers
58
Top-5 brand share
100%
Top 20: 100%
Top-5 click share
57%
Top 20: 92%
Open market
0%
- KIRKLAND58%
- BAMBOO COOL33%
- Hanes6%
- Champion2%
- Amazon Essentials2%
- Open — no brand owns it (0%)
Top kirkland underwear men search terms shoppers use
The exact queries shoppers type, with yearly volume, growth and conversion.- kirkland underwear men11K/yr
- kirkland boxer briefs men8K/yr
- kirkland mens underwear7K/yr
- kirkland boxer briefs3K/yr
- kirkland boxers2K/yr
Top kirkland underwear men 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
Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack (Large Black)
KIRKLAND$27.684.6★2,309 rev
Kirkland Signature Mens Boxer Brief Multicolor Pack Large (Pack of 4)
KIRKLAND$29.774.6★2,309 rev
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$45.734.7★4,351 rev
BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack
BAMBOO COOL$32.464.5★16,388 rev
Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack (X-Large Black)
KIRKLAND$27.414.6★2,309 rev
Newest
by launch dateBAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$45.734,351 rev
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$45.674,351 rev
Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack Black XX-Large
KIRKLAND$30.9020 rev
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.757,311 rev
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.717,311 rev
Trending
90-day click momentumBAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.714.6★
Hanes Men Hanes Boxer Briefs Cool Dri Moisture-Wicking Underwear Cotton No-Ride-up for Men Multi-Packs Available
Hanes$35.494.5★
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
BAMBOO COOL$50.964.6★
Champion Mens Everyday Cotton Stretch- 5 Pack -Boxer Briefs Cotton Stretch Total Support Pouch Moisture-Wicking No Ride-Up Fit
Champion$30.294.6★
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
BAMBOO COOL$45.674.7★
What reviews say buyers love and hate about kirkland underwear men
What buyers praise and complain about, mined from review topics.What buyers love
“very comfortable to wear”
“Fit as well as expected”
“They are decently made other than that”
“Comfortable and soft”
“Breathes well”
“They are affordable”
“Very breathable material”
“Well made and durable”
“As described”
“beautiful colors”
What buyers complain about
“Run a little small”
“Low quality”
“Bad material”
“not as comfortable as it used to be”
“Not very durable”
“No elasticity at all”
“To tight on the thigh”
“False advertisement”
“They have wider waist bands”
“Not worth the price”
Top return reasons
Common kirkland underwear men questions
- Is kirkland underwear men profitable to sell on Amazon United States?
- The niche generates $46K/yr across 25 tracked products. 90-day search growth is +20.0%. Flapen's verdict: Skip it (43/100).
- How competitive is the kirkland underwear men niche?
- 5 brands and 58 sellers compete. The top 5 products take 57% of clicks and top 5 brands hold 100% of demand.
- What do buyers complain about in kirkland underwear men?
- Top complaints mined from reviews: Size-Overall, Quality-Overall, Material Quality. The return rate is 1.3%.
- What does it cost to enter the kirkland underwear men niche?
- Listings span $15.15–$51.01; the average listing price is $34.51 (sweet spot $15–$100). The average incumbent carries 16,775 reviews — the moat a new listing must climb.