---
title: "Undershirts for Men Pack — $378K/yr Amazon US Niche (2026) - Flapen"
canonical_url: "https://flapen.com/research/us/clothing-shoes-jewelry/undershirts-for-men-pack"
last_updated: "2026-08-06T00:37:04.560Z"
locale: en
meta:
description: "Niche score 60/100 · $378K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:description": "Niche score 60/100 · $378K/yr market. A failed launch gate (market size, growth, or returns) keeps it on the watch list. Data updated Jul 2026."
"og:title": "Undershirts for Men Pack — $378K/yr Amazon US Niche (2026) - Flapen"
---
# **undershirts for men pack**
**Worth a look**
Shows a fragmented shelf (top 5 take 20% of clicks), but a failed launch gate (market size, growth, or returns) keeps it on the watch list.
Market size 54Growth 62Conversion 19Competition 95Returns 46Price range 83Avg price 88Brand share 87Review moat 8Quality gap 38
**Competition**
**Great****20%**
top-5 click share — an open shelf
**Avg price**
**Great****$20.19**
avg listing price — sweet spot $15–$100
**Brand share**
**Great****48%**
top-5 brand share — no brand owns this niche
**Price range**
**Great****$9.37–$48.50**
cheapest to priciest tracked listing — scored on the share inside $15–$100
**Growth**
**Good****+38.8%**
90-day search growth — must beat 0% to launch
**Market size**
**Good****$378K**
$378K/yr · 1.3M searches
**Returns**
**Okay****3.3%**
return rate — above 5% kills the launch gate
**Quality gap**
**Okay****4.5★**
avg incumbent rating — lower means beatable quality
**Conversion**
**Bad****1.5%**
search→purchase rate — share of searches ending in a sale
**Review moat**
**Bad****34,821.85**
avg incumbent reviews — the moat a new listing must climb
**Signals**[** No Dominant Brand**](https://flapen.com/research/niches?market=us&signal=no_dominant_brand "Top brand's click share < 20%")
According to Flapen's Amazon United States niche tracking, undershirts for men pack is a $378K/yr Amazon United States market (1.3M searches/yr). The top 5 brands hold 48% of demand. Demand peaks in Nov–Dec. Verdict: Worth a look — 60/100.
Data updated Jul 20, 2026 · scored weekly · [~~How we score niches ~~](https://flapen.com/research/methodology)
## **undershirts for men pack market data**
- **Units sold / yr**
- **20K–25K**
- avg 250–500/product
- **Revenue / yr**
- **$404K–$505K**
- units × avg price
- **Conversion rate**
- **1.5%**
- **Avg BSR**
- **#385**
- **Page quality**
- **0%**
- **Prime**
- **100%**
- **Sponsored**
- **96%**
- **Out of stock**
- **0.0%**
- **Avg brand age**
- **38 months**
- **Avg seller age**
- **123 days**
## **Competition & brand share**
Clicks spread well past the top 5 (20% combined) — an open shelf where new products get seen.
**Brands**
**42 **▲rising
**Sellers**
**135**
**Top-5 brand share**
**48%**
Top 20: 89%
**Top-5 click share**
**20%**
Top 20: 50%
**Open market**
**48%**
- Hanes20% - BAMBOO COOL9% - Gildan7% - Fruit of the Loom6% - MAGCOMSEN6% - Liberty Imports5%
## **Demand & seasonality**
Weekly Amazon search volume, last 104 weeks — +38.8% search growth over the last 90 days.
80K60KSpike '24Black Friday '24Spike '25Prime Day '25Black Friday '25Holiday '25Spike '26 seasonSepDecMarJunAugNovMarMay
Peak months: Nov, Dec · busiest ÷ quietest = 2.6×
[**Open Trend **](https://flapen.com/research/us/clothing-shoes-jewelry/undershirts-for-men-pack/trend)
## **Top undershirts for men pack search terms**
- **white tee shirt men**244K/yr+33.9%2.1% conv. - **white t shirts**166K/yr+43.7%1.4% conv. - **gym shirt**169K/yr+0.3%0.3% conv. - **athletic shirts**126K/yr+53.1%0.3% conv. - **drifit shirts for men**99K/yr+64.7%0.7% conv. - **mens quick dry shirts**56K/yr+107.4%0.4% conv. - **white tshirts for men**73K/yr+38.0%2.4% conv. - **gym shirts for men**52K/yr-11.9%0.5% conv. - **mens dry fit shirts**28K/yr+177.1%0.7% conv. - **mens white tshirts**47K/yr+25.7%2.2% conv. [**All search terms **](https://flapen.com/research/us/clothing-shoes-jewelry/undershirts-for-men-pack/search-terms)
## **Top undershirts for men pack 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.
0%2%$8K4%$15K6%$23K8%$30K1001K10K100K1.0M Reviews — right = deep review moatMarket share (90d) ≈ est. sales
Beatable (≤4.3★) Contested Strong incumbent (>4.7★)
All 24 tracked products in this niche — three views at once, no toggling.
### **Top sellers**
by 90-day click share
[1**Hanes Mens Cotton Moisture-wicking Crew Tee Undershirts Multi-packs White - 6 Pack Large US**Hanes**$17.72**4.4★92,773 rev](https://www.amazon.com/dp/B00D1ARZMC) [2**Kinglaman 5 Pack Mesh Workout Shirts for Men Dry Fit Gym Shirts Quick Dry Athletic Short Sleeve Sports T-Shirt Moisture Wicking 1 Black 1 Gray 1 White 1 Blue 1 Green Large**Kinglaman**$20.18**4.6★3,060 rev](https://www.amazon.com/dp/B0CSJ417P3) [3**MCPORO Workout Shirts for Men Short Sleeve Quick Dry Athletic Gym Active T Shirt Moisture Wicking**MCPORO**$24.33**4.5★13,564 rev](https://www.amazon.com/dp/B08BBYCN46) [4**Hanes Men Hanes Mens White Performance Moisture-Wicking Crewneck Undershirt Tees 5-Pack**Hanes**$22.36**4.6★35,779 rev](https://www.amazon.com/dp/B074XY2K7M) [5**BAMBOO COOL Mens Undershirts Pack Soft T Shirts for Men Moisture Wicking Tees Stretchy Breathable Crew Neck Inner Shirt**BAMBOO COOL**$34.62**4.6★3,448 rev](https://www.amazon.com/dp/B0BXFHW91M)
**~~View all top sellers →~~**
### **Newest**
by launch date
[**HOPLYNN 5 Pack Mens Dry Fit Workout Gym T Shirts Short Sleeve Active Running Athletic Tee Tops 1 Black 1 Blue 1 Gray 1 Navy Blue 1 Wine Large**HOPLYNN**$19.01**988 rev1y ago](https://www.amazon.com/dp/B0F1CDTMKB) [**MAGCOMSEN Mens White T-Shirts Short Sleeve UPF 80+ Sun Protection Plain Lightweight Moisture Wicking Casual Crew Neck Basic Tees XL**MAGCOMSEN**$10.27**231 rev1y ago](https://www.amazon.com/dp/B0F7XJZHXP) [**MAGNIVIT Mens Shirts Short Sleeve Cotton T-Shirt Basic Classic Casual Pullover Shirt White**MAGNIVIT**$10.70**262 rev1y ago](https://www.amazon.com/dp/B0DSZX7LV5) [**BOOJO 5 Pack Workout Shirts for Men-Quick Dry Black Gym Moisture Wicking Short Sleeve T-Shirts for Running Athletic Casual**BOOJO**$19.23**2,121 rev1y ago](https://www.amazon.com/dp/B0DP4X5GG2) [**BAMBOO COOL Mens Undershirts Moisture Wicking Crewneck T Shirts Breathable Stretch Soft Tees for Men 6 Pack**BAMBOO COOL**$46.93**1,990 rev1y ago](https://www.amazon.com/dp/B0D5CHZYP6)
**~~View all new products →~~**
### **Trending**
90-day click momentum
[**Amazon Essentials Mens Moisture Wicking Breathable Active Performance Tech Gym T-Shirts Pack of 2 Black Medium**Amazon Essentials**$13.57**4.4★**▲ 59%**](https://www.amazon.com/dp/B07MY3ZN6S) [**HOPLYNN 5 Pack Mens Dry Fit Workout Gym T Shirts Short Sleeve Active Running Athletic Tee Tops 1 Black 1 Blue 1 Gray 1 Navy Blue 1 Wine Large**HOPLYNN**$19.01**4.5★**▲ 58%**](https://www.amazon.com/dp/B0F1CDTMKB) [**MAGNIVIT Mens Shirts Short Sleeve Cotton T-Shirt Basic Classic Casual Pullover Shirt White**MAGNIVIT**$10.70**4.5★**▲ 58%**](https://www.amazon.com/dp/B0DSZX7LV5) [**Hanes Men Hanes Mens White Performance Moisture-Wicking Crewneck Undershirt Tees 5-Pack**Hanes**$22.36**4.6★**▲ 55%**](https://www.amazon.com/dp/B074XY2K7M) [**MAGCOMSEN Mens White T-Shirts Short Sleeve UPF 80+ Sun Protection Plain Lightweight Moisture Wicking Casual Crew Neck Basic Tees XL**MAGCOMSEN**$10.27**4.4★**▲ 41%**](https://www.amazon.com/dp/B0F7XJZHXP)
**~~View all trending →~~**
## **What buyers say about undershirts for men pack**
What buyers praise and complain about, mined from review topics.
### **What buyers love **
**Size-Overall**22%
*“Fits as expected”*
**Quality-Overall**13%
*“Amazing quality”*
**Comfort-Overall**11%
*“Good comfortable”*
**Soft Feel**8%
*“Material is soft and comfortable”*
**Value For Money**8%
*“Good value for money”*
**Material Quality**5%
*“Good material”*
**Color**3%
*“colors are beautiful”*
**Advertised Vs Actual Product**3%
*“exactly as pictured”*
**Weight Light**2%
*“Great quality lightweight”*
**Breathability**2%
*“Comfortable and breathable”*
### **What buyers complain about **
**Size-Overall**17%
*“Too Long”*
**Thickness**9%
*“its very thick”*
**Quality-Overall**9%
*“drop in quality”*
**Material Quality**6%
*“Material feels very synthetic”*
**Shrinkage Resistance**4%
*“Shirts shrink a lot”*
**Thin**3%
*“Shirts are thin fabric and poor quality”*
**Stretchability/Expandability/Elasticity**2%
*“there is no stretch”*
**Gap/Hole**2%
*“Hole In One”*
**Transparency**2%
*“See through”*
**Color**2%
*“More yellowish than white”*
### **Top return reasons **
**Size-Overall**48%
**Length**10%
**Material Quality**8%
**Thin**6%
**Chest Fit**6%
**Advertised Vs Actual Product**2%
**Neck Fit**2%
**Sleeve Fit**2%
**Shoulder Fit**2%
**Quality-Overall**2%
## **Common questions**
- **Is undershirts for men pack profitable to sell on Amazon United States?**
- The niche generates $378K/yr across 122 tracked products. 4 of 8 products launched in the last 360 days are still selling. 90-day search growth is +38.8%. Flapen's verdict: Worth a look (60/100).
- **How competitive is the undershirts for men pack niche?**
- 42 brands and 135 sellers compete. The top 5 products take 20% of clicks and top 5 brands hold 48% of demand.
- **What do buyers complain about in undershirts for men pack?**
- Top complaints mined from reviews: Size-Overall, Thickness, Quality-Overall. The return rate is 3.3%.
- **When does demand for undershirts for men pack peak?**
- Demand peaks in Nov–Dec; the busiest month runs 2.6× the quietest.
- **What does it cost to enter the undershirts for men pack niche?**
- Listings span $9.37–$48.50; the average listing price is $20.19 (sweet spot $15–$100). The average incumbent carries 34,822 reviews — the moat a new listing must climb.
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