Best S Mens Underwear Briefs in 2025

Daisy
Last Updated: Nov 3, 2025

At a Glance: Our Top Picks for S Mens Underwear Briefs

BN3TH Men's Classic Boxer Briefs - Breathable Underwear with Our Patented Three-Dimensional MyPakage Pouch, Large (2 Pack - Pine/Covert Camo)
#TOP1
Bn3Th Men's Classic Boxer Briefs - Breathable Underwear
9.8
PM SCORE
BN3TH Men's Classic Boxer Briefs - Breathable Underwear with Our Patented Three-Dimensional MyPakage Pouch, Black, Large
#TOP2
Bn3Th Men's Classic Boxer Briefs - Breathable Underwear
9.8
PM SCORE
BN3TH Men's Classic Boxer Brief Print - Breathable Underwear with Our Patented Three-Dimensional MyPakage Pouch, Watercolour Camo Green, Large
#TOP3
Bn3Th Men's Classic Boxer Brief Print - Breathable
9.8
PM SCORE

* PickSmartly editors independently research, review, and endorse the top products through comprehensive data analysis. We may earn a commission for qualifying purchases made through our product links.

Summary of the Best S Mens Underwear Briefs of 2025

Bn3Th Men's Classic Boxer Briefs - Breathable Underwear With Our Patented Three-Dimensional Mypakage Pouch, Large (2 Pack - Pine/Covert Camo)

BN3TH
M119001
3.00 X 6.00 X 6.00 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.83

Features

YOUR EVERYDAY FAVORITE - This pack of two luxury boxer briefs feature an ultra-soft, breathable, lightweight Tencel Modal guaranteed to stay smooth and keep you comfortably supported at all times

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Slim fit with no fly sustainably sourced underwear made to contour to your body with our signature seamless pucker panel and a no roll, soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Classic Boxer Briefs - Breathable Underwear With Our Patented Three-Dimensional Mypakage Pouch, Black, Large

BN3TH
M111024-028-L
3.00 X 6.00 X 6.00 inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.78

Features

YOUR EVERYDAY FAVORITE - These luxury boxer briefs feature an ultra-soft, breathable, lightweight Tencel Modal guaranteed to stay smooth and keep you comfortably supported at all times

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Slim fit with no fly sustainably sourced underwear made to contour to your body with our signature seamless pucker panel and a no roll, soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Classic Boxer Brief Print - Breathable Underwear With Our Patented Three-Dimensional Mypakage Pouch, Watercolour Camo Green, Large

BN3TH
M111026-A230-L
6.00 X 8.00 X 2.00 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.78

Features

PACKED WITH STYLE - Liven up your day with undergarments that make a subtle statement; luxury boxer briefs features fun prints in an ultra-soft, breathable, lightweight Tencel Modal fabric, keeping you comfortable all day

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Slim fit with no fly sustainably sourced underwear made to contour to your body with our signature seamless pucker panel and a no roll, soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Entourage Boxer Briefs - Sustainable Athletic Boxers Made From Recycled Plastic, Breathable And Anti-Chafing Underwear With Mypakage Pouch, Amigos Multi, Small

BN3TH
M121034-A220-S
3.00 X 6.00 X 6.00 Inches
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
The Gear Coop 9.95

Features

I'M RECYCLED! - Men's active boxer briefs are made from 100% post-consumer recycled plastic bottles; Our new EcoDry fabric is more durable, breathable, and moisture-wicking; keeping you dry & your carbon footprint low

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Breathable, moisture-wicking, slim fit no fly underwear made to contour to your body with our signature seamless pucker panel and a soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Classic Boxer Brief With Fly - Breathable Lightweight Underwear With Our Patented Three-Dimensional Mypakage Pouch, Navy, Large

BN3TH
M111021
3.00 X 6.00 X 6.00 Inches
0.25 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.78

Features

YOUR EVERYDAY FAVORITE WITH A FLY - These luxury boxer briefs feature an ultra-soft, breathable, lightweight Tencel Modal that is sustainably sourced; Stay smooth & comfortably supported at all times

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Breathable, moisture-wicking, slim fit with fly underwear made to contour to your body with our signature seamless pucker panel and a luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Infinite Ionic No Stink Boxer Briefs - Breathable, Anti-Chafing, Anti-Odor Underwear With Our Patented Three-Dimensional Mypakage Pouch, Heather Pine, Small

BN3TH
M121031
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.78

Features

NO STINK - ALL DAY, EVERY DAY - Men's underwear with builtin Permanent IONIC+ Technology to kill odor before it starts, keeping you comfortable and fresh throughout the day

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Breathable, moisture-wicking, slim fit no fly underwear made to contour to your body with our signature seamless pucker panel and a soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Infinite Ionic No Stink Boxer Briefs - Breathable, Anti-Chafing, Anti-Odor Underwear With Our Patented Three-Dimensional Mypakage Pouch, Ash, Medium

BN3TH
M121031
11.02 X 9.45 X 3.15 Inches
0.31 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
Backcountry 9.85

Features

NO STINK - ALL DAY, EVERY DAY - Men's underwear with builtin Permanent IONIC+ Technology to kill odor before it starts, keeping you comfortable and fresh throughout the day

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Breathable, moisture-wicking, slim fit no fly underwear made to contour to your body with our signature seamless pucker panel and a soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Men's Classic Boxer Briefs - Breathable Underwear With Our Patented Three-Dimensional Mypakage Pouch, Small (3 Pack - Sunday)

BN3TH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
PaddlePro 9.87

Features

YOUR EVERYDAY FAVORITE - This pack of two luxury boxer briefs feature an ultra-soft, breathable, lightweight Tencel Modal guaranteed to stay smooth and keep you comfortably supported at all times

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Slim fit with no fly sustainably sourced underwear made to contour to your body with our signature seamless pucker panel and a no roll, soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Bn3Th Classic Boxer Brief Solid - Men's Pine/Haze 2X-Large

BN3TH
M111024-566-XXL
6.00 X 8.00 X 2.00 Inches
0.13 Pounds
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
EPIC MENS 9.92

Features

Slim fit with no fly, 6.5" inseam

MyPakage Pouch Technology, Pucker Panel gusset helps the pouch do its job, allowing the underwear to contour around your body

Carefully placed flatlock seams means no chafing in your most sensitive areas, Luxury 1 3/8" no-roll waistband

95% TENCEL Modal + 5% Spandex

190 GSM fabric weight

Bn3Th Men's Classic Boxer Brief Print - Breathable Underwear With Our Patented Three-Dimensional Mypakage Pouch, Beach Blanket Black, Small

BN3TH
SELLER SELLER SCORE AMAZON FULFILLED PRIME FREE SHIPPING
BN3TH 5.78

Features

PACKED WITH STYLE - Liven up your day with undergarments that make a subtle statement; luxury boxer briefs features fun prints in an ultra-soft, breathable, lightweight Tencel Modal fabric, keeping you comfortable all day

MY PACKAGE POUCH - Our patented MyPakage Technology made to lift & separate your boys, eliminating the need to shift or adjust throughout the day

ELEVATED COMFORT - Slim fit with no fly sustainably sourced underwear made to contour to your body with our signature seamless pucker panel and a no roll, soft luxury knitted waistband; shorts length 6.5" inseam

INCREASED COMFORT = INCREASED PERFORMANCE - We engineer underwear and base layers that keep you comfortable for full days on the mountain, on the water, in the gym, or in the office

RADICALLY BETTER UNDERWEAR - We were the first to create underwear with a three-dimensional pouch, and our patented MyPakage Pouch Technology remains the key to our uniquely supportive fit

Top 10 mens underwear briefs Brands on Amazon

Here is the list of top-rated brands that were evaluated by PM.

Brand Count
Bn3Th 10

Top 10 mens underwear briefs Brands Pie Chart


We've carried out a comprehensive analysis of 3,883 reviews on mens underwear briefs, using our selection criteria to identify the best options in the men's fashion. Our findings reveal that most customers typically select mens underwear briefs priced around $38.55, with top brands including fruit of the loom, hanes, natural feelings, wirarpa, gildan, 5mayi, bamboo cool, generic and amazon essentials and jockey

Our team of expert editors reviewed these high-quality items and handpicked the top 10 mens underwear briefs for your consideration. We've also done extensive research on numerous sellers, identifying the best ones in the men's fashion category. These include amazon.com, natural feelings official, wirarpa apparel shop, 5mayi official, bamboo cool-3, bamboo cool-7, lifebetter-9998, jockey and alotfourless and prime core basics .

We are dedicated to assisting our users in finding the right briefs Products based on their needs, saving them considerable time when choosing which mens underwear briefs to buy. We take pride in the number of satisfied users we've helped through our thorough and insightful reviews.