Kirkland Underwear Men
FailThe top 5 brands take 100% of clicks, so Kirkland Underwear Men is a Fail.
- Flapen Score
- 43 / 100Ranks 9,936 of 16,930 Clothing, Shoes & Jewelry niches · −2 vs the category median of 4543
- Market size
- $46K/yr31K searches / yr
- 90-day growth
- +20.0%search demand this quarter
- Competition
- 57%top-5 click share · 5 brands · 58 sellers
Flapen Score
Kirkland Underwear Men against its category
The dotted line is the Clothing, Shoes & Jewelry average. Past it, Kirkland Underwear Men is stronger. Inside it, weaker.
Market
The Kirkland Underwear Men market on Amazon at a glance
Shoppers on Amazon United States searched for Kirkland Underwear Men 31K times last year and spent an estimated $46K. All 5 brands take every click. Flapen scores it 43 out of 100, a Fail.
01 · Demand
An estimated 4.3% of those searches ended in a purchase.
Shoppers searched for this 31K times in the last 12 months. That counts every search on Amazon United States for this niche's terms. An estimated 4.3% of those searches ended in a purchase. Searches in the last 90 days moved +20.0% against the 90 days before. Searches, conversion and average price together put the market at an estimated $46K a year.
- Searches, last 12 months
- 31K
- Growth, 90 days vs prior 90
- +20.0%
- Conversion, latest week
- 4.3%
- Market size, estimated
- $46Ka year
- Top search term
- kirkland underwear men11K searches a year
02 · Price
A sale here is worth $34.51.
Listings sell for $34.51 on average, from $15.15 to $51.01. Amazon reports units sold in ranges. This niche sold 2K to 2K a year. The average listing sells 100 to 250 of them. At $34.51 that is $3K to $9K a year per listing.
- Average price
- $34.51inside the $15 to $100 sweet spot
- Price range
- $15.15–$51.01
- Amazon United States median price
- $24.38across 115,062 niches
- Units sold a year
- 2K–2K
- Units per listing a year
- 100–250
- Revenue per listing a year
- $3K–$9K
- Returns
- 1.3%of orders · Amazon United States median 2.1%
03 · Entry bar
The bar here is reviews.
64% of listings pay for placement with sponsored ads. 84% ship with Prime. On an average day, 0.0% of listings are out of stock. The average listing ranks #379 within Underwear. It carries 16,775 reviews at 4.59 stars, so a new listing needs social proof before a better product.
- Sponsored listings
- 64%
- Prime listings
- 84%
- Out of stock, average day
- 0.0%
- Average rank
- #379in Underwear
- Average rating
- 4.59 starsAmazon United States average 4.42 stars
- Average reviews
- 16,775per listing
- Listings tracked
- 25
04 · Newcomers
Brands here are settling in.
The brands on the shelf have sold for 48 months on average, so the names here are settling in.
- Launched, last 12 months
- 0
- Successful launches
- 0Amazon's first-year sales bar
- Average brand age
- 48 months
Products
Top Kirkland Underwear Men products & what they sell for
The products selling here, as shoppers see them on Amazon. Shelf share and sales are our estimates.
Prices and ratings read from Amazon on Jul 21, 2026. The live listing can differ.
Top sellers
by estimated 90-day click share
Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack (Large Black)
- Price
- $27.68
- Rating
- 4.6/5
- Reviews
- 2,309
- Age
- 11y ago

Kirkland Signature Mens Boxer Brief Multicolor Pack Large (Pack of 4)
- Price
- $29.77
- Rating
- 4.6/5
- Reviews
- 2,309
- Age
- 6y ago

BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
- Price
- $45.73
- Rating
- 4.7/5
- Reviews
- 4,351
- Age
- 2y ago

BAMBOO COOL Mens Ultra Breathable Underwear No Riding Up Boxer Briefs with ComfortFlexible Waistband Multipack
- Price
- $32.46
- Rating
- 4.5/5
- Reviews
- 16,388
- Age
- 6y ago

Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack (X-Large Black)
- Price
- $27.41
- Rating
- 4.6/5
- Reviews
- 2,309
- Age
- 11y ago
Trending
estimated 90-day click momentum
BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
- Price
- $50.71
- Rating
- 4.6/5
- Reviews
- 7,311
- Age
- 2y ago

Hanes Men Hanes Boxer Briefs Cool Dri Moisture-Wicking Underwear Cotton No-Ride-up for Men Multi-Packs Available
- Price
- $35.49
- Rating
- 4.5/5
- Reviews
- 135,847
- Age
- 4y ago

BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
- Price
- $50.96
- Rating
- 4.6/5
- Reviews
- 7,311
- Age
- 2y ago

Champion Mens Everyday Cotton Stretch- 5 Pack -Boxer Briefs Cotton Stretch Total Support Pouch Moisture-Wicking No Ride-Up Fit
- Price
- $30.29
- Rating
- 4.6/5
- Reviews
- 9,628
- Age
- 4y ago

BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
- Price
- $45.67
- Rating
- 4.7/5
- Reviews
- 4,351
- Age
- 2y ago
Newest
by launch date
BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
- Price
- $45.73
- Rating
- 4.7/5
- Reviews
- 4,351
- Age
- 2y ago

BAMBOO COOL Mens Underwear Breathable Boxer Briefs with Fly Moisture-Wicking Lightweight Underwear
- Price
- $45.67
- Rating
- 4.7/5
- Reviews
- 4,351
- Age
- 2y ago

Kirkland Signature Mens Boxer Brief Pima Cotton 4 Pack Black XX-Large
- Price
- $30.90
- Rating
- 4.9/5
- Reviews
- 20
- Age
- 2y ago

BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
- Price
- $50.75
- Rating
- 4.6/5
- Reviews
- 7,311
- Age
- 2y ago

BAMBOO COOL Mens Ultra ComfortSoft Underwear Moisture Wicking & Breathable No Ride Up Boxer Briefs with Fly Multipack
- Price
- $50.71
- Rating
- 4.6/5
- Reviews
- 7,311
- Age
- 2y ago
Competition
Competition: brands, sellers & click share
The top 5 products take an estimated 57% of clicks. Leaders hold, but buyers still shop past them.
Brands
5 rising
Sellers
58
Est. top-5 brand share
100%
Top 20: 100%
Est. top-5 click share
57%
Top 20: 92%
Open market
0%
- KIRKLAND58%
- BAMBOO COOL33%
- Hanes6%
- Champion2%
- Amazon Essentials2%
- Open — no brand owns it (0%)
Search terms
Top Kirkland Underwear Men search terms shoppers use
The exact words shoppers type, with estimated 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
Reviews and returns
What reviews say buyers love and hate about Kirkland Underwear Men
We read the reviews and the return reasons for every product selling here.
“Run a little small”
Every topic
Every topic buyers talk about, one row each.
Red shows the share of negative reviews and green the share of positive reviews, biggest topic first. Open a row to read what they wrote.
15 topics
Keep looking
Related niches
Niches in the same category that score near this one. Research these next.
Best Flapen score
The highest-scoring niches we track right now, across every category.
FAQ
Common Kirkland Underwear Men questions
Answered from the same tracked data.
Figures on this page are estimates modeled from public Amazon pages and third-party keyword data. Amazon does not supply them, and no connected seller's data is used. How we handle Amazon data









