Spring Starts Underneath
Buy 2, save 15%  |  Buy 4, save 20%
Buy 7, save 25%  |  Buy 15, save 35%
Free Shipping Over $99
Shipping $9.95 Australia Wide
Pay Your Way
Menu
Men
Women
Youth
Clearance
Men's Maxi Cozy Boxer Briefs Cotton Black
Boxer BriefsBoxer Briefs
mens boxer briefs
long boxer briefs black
cotton boxer briefs
mens mid long trunks
men’s stretch underwear
open fly underwear
Garment size guide

BODY MEASUREMENTS · QUICK SIZE GUIDE

Find your Men's Maxi Cozy Boxer Briefs Cotton Black fit

Use the measurements below to choose your size. The full guide beside the size selector includes complete fit and measuring instructions.

SizeWaist
S70–85
M86–91
L92–100
XL101–108
XXL109–115
3XL116–125
4XL126–135
5XL136–145

Between sizes? Choose the larger size. Open the full guide for complete fit instructions.

mens boxer briefs
long boxer briefs black
cotton boxer briefs
mens mid long trunks
men’s stretch underwear
open fly underwear
Garment size guide
PriceFrom$19.95
Material95% Cotton / 5% Spandex
StretchHigh stretch
ModelDenil · wears M · 178 cmSee size & fit
Sizes S–5XL

Men's Maxi Cozy Boxer Briefs Cotton Black

$19.95
2+Bundle eligibleAny 2 saves 15% · up to 35%
Pay later, your way
Pay over time at checkoutSelect a logo for detailsProvider terms apply
Size
S
Small
M
Medium
L
Large
XL
XLarge
XXL
XXLarge
3XL
3XLarge
4XL
4XLarge
5XL
5XLarge
$19.95
Order before 18:00
Fast Dispatch from Sydney – Next Business Day
Bundle savings
Add 2 for 15% off
Up to 35%
  1. 2 / 15%
    Add 2
  2. 4 / 20%
    Add 4
  3. 7 / 25%
    Add 7
  4. 15 / 35%
    Add 15
Free Shipping $99+
30 Day Returns
Australian Customer Care
365 Day Warranty
1 Million+ Frank and Beans Sold
Why choose Maxi Cozy

WhyMaxi Cozy Boxer Briefs

Men’s Maxi Cozy® Black Cotton Boxer Briefs

Supportive and Comfortable Men’s Boxer Briefs With Open Fly

  • 1 Piece per pack – perfect for trying our cotton men’s boxer briefs
  • Sizes Small to 5XL – made for everyday comfort in larger sizes
  • Modern, long-leg cut – great trunk boxer briefs for men
  • Breathable 95% cotton – soft black men’s underwear for daily wear
  • Elastic waistband – snug fit without bulk
  • Open fly – practical and easy access design
  • Classic black boxer brief styling with flatlock seams
  • Men’s long boxer underwear designed for airflow and stretch
  • Soft on skin – no tags, no fuss
  • Perfect for workouts, lounging, or daily wear

 

Why Choose Maxi Cozy® Boxer Briefs?

Maxi Cozy® Cotton Boxer Briefs combine structure and softness for the ultimate in men’s comfort. Designed for guys who want long boxer briefs with open fly, this underwear balances breathability with everyday practicality.

A top pick among those who like classic cotton men's underwear with modern fit and open fly. Whether you're active or at ease, you’ll stay cool, supported, and irritation-free.

 

Experience everyday comfort with our Men’s Maxi Cozy® Cotton Boxer Briefs – crafted from a soft 95% cotton blend for breathability and durability. Designed with a mid-long leg for extra coverage and support, these men's underwear essentials feature an open fly and a soft, stretch waistband for unrestricted movement. Whether you're after men’s long boxer briefs, breathable underwear for daily wear, or cotton trunks with a relaxed fit, these versatile boxer briefs deliver all-day comfort. Ideal for lounging, working, or staying active, they're a must-have for any modern underwear drawer.

Find Your Perfect Fit

See size chart for correct fit.

 

Our Guarantee

Your satisfaction matters to us. Please review our Shipping and Returns tab for full details on delivery and returns. We’ve got you covered!

Product film

See the fit in motion

Men's Maxi Cozy Boxer Briefs Cotton Black — fit and fabric video

See 95% Cotton / 5% Spandex, High stretch, Sizes S–5XL in motion.

  • 01Soft stretch waistband
  • 0295% cotton / 5% spandex
  • 03Supportive mid-long leg fit
  • 04Inclusive sizing S–5XL
Product code
MAXIBBBLA
Stretch meter
High stretch
Fabric name

95% Cotton / 5% Spandex

180gsm

Each garment label will provide the specific care instructions for your guidance, please make sure you check these before washing.

Size and fit

High stretch

Sizes S–5XL

Wearing size: Denil is wearing size medium. His waist is 83cm, hips 93cm and is 178cm tall

See size and fit details ›
Product care

Garment care

30°C mild process
Do not bleach
Do not tumble dry
Line dry/hang to dry
Low temperature iron 80°C
Do not dry clean

Always follow the garment care label supplied with the product.

Where are we delivering?Rates and services are kept in the storefront currency.

Shipping

Australia-wide delivery through Australia Post. Prices shown in AUD.

Parcel Post · AUD $9.954–8 business days · online trackingAUD $150 transit cover
Express Post · AUD $17.951–3 business days · online trackingAUD $300 transit cover
Free Delivery over AUD $994–8 business days · online trackingAUD $200 transit cover
Dispatch within 1 business dayOrder before 6pm Sydney time. Weekends and NSW public holidays are excluded.

Returns and exchanges

Frank and Beans® 30-day guaranteeTry one garment on over clean underwear before opening any others. If products arrive in one packet, all garments from that packet must be returned together.
Return rules and conditionsItems must be unworn, unwashed with no odours, in original packaging with tags, and returned within 30 days.
ExchangesFor Australian exchanges, we cover the return label and the exchange parcel back to you.
Refund returnsNo restocking fee. If you use our prepaid Australia Post return label, AUD $12.95 is deducted from your refund. If you arrange your own return postage, no return-label charge is deducted.
Store creditReceive the full product refund plus a 20% bonus on the item’s original price. Store credit does not expire.
Read the full return and exchange rules

What customers
say.

eBay Feedback
19,188
99.7% positive
Buyer-written feedback only · excludes eBay automated feedback
Open eBay Feedback ↗
Frank and Beans Website
1,810
99.3% recommend
Purchase required · every review is linked to the customer’s order
ProductReview
387
4.2 / 5
Open ProductReview ↗
Trustpilot
82
4.2 / 5
Open Trustpilot ↗

Reviews for this product

18 reviews from customers who purchased this product

Write a review

All reviews are from verified purchases

Matched to a completed order. Order details stay private.

How reviews are verified

Each review is matched to a completed Frank and Beans order containing this product. Genuine positive and critical reviews are published when they meet our review guidelines. Order details stay private.

Questions about this product?

Ask about fit, fabric, care or product features. Frank and Beans staff answer.

Your email is never published.

Our staff answer by email through Customer Care. Helpful product questions may be published here with a staff label. Questions about an order, refund or delivery stay private and should go to Customer Care here.

5.0
Overall product rating
Average score across verified product reviews.
18
Verified product reviews
Every displayed review is matched to a completed purchase.
100%
recommend this product
Based on verified purchaser recommendations.
All reviews
With photos

18 total

Victoria
Verified purchase

Feel-Good Wear

The design is absolutely impeccable, and the quality is amazing. The attention to detail is obvious, making them feel incredibly premium.

Fit: Just right

Comfort: Extremely comfortable

Review collected after purchase
Kevin
Verified purchase

The Self-Care Secret

The fit is so incredible it truly molds to my body's shape for a personalized and perfect feeling every time they feel like they were made just for me.

Fit: Just right

Comfort: Extremely comfortable

Review collected after purchase
Megan
Verified purchase

The Confidence Edit

So here it is, I'm sad my 6 pack are in the dirty laundry If you've ever sat on your balls you need these, soooo soft and comfy. I'm currently wearing my old underwear and my stuff is smashed to one side and stressed, Tomorrow I'm doing laundry !!! Well that's it, I'm happy and now going to buy a nother pack, oh and I could fluff myself and post a pick, but naa Update since posting this post I have came back and bought these again I love these.

Fit: Just right

Comfort: Extremely comfortable

Review collected after purchase
Steven N.
Verified purchase

Your Comfort Story

The pure bliss of wearing these is hard to beat.

Fit: Just right

Comfort: Extremely comfortable

Review collected after purchase
Joseph B.
Verified purchase

Wear Your Light

The supreme quality of the material and construction is undeniable you can tell they are made with care and built to last.

Fit: Just right

Comfort: Extremely comfortable

Review collected after purchase
Page 1 of 4

RECOMMENDED FOR YOU

Bamboo Long Leg Boxer Briefs Burgundy

Bamboo Long Leg Boxer Briefs Burgundy

$27.95
Black mens cotton blend boxer briefs with purple waistband front view on white background with front exit pocket

Mens Trunks Black Boxer Briefs Purple

$15.95
Men's Bamboo Boxer Briefs Black Red front view with red sliders

Bamboo Boxer Briefs Black Red

$17.95
Australian flag pattern mens cotton blend boxer briefs front view on white background with front exit pocket

Mens Trunks Australiana Boxer Brief Underwear

$15.95
men’s long leg underwear 3-pack

3 Men's Maxi Cozy Boxer Briefs Cotton Multipack Black

From
$49.95
Men's black cotton boxer shorts

Men's Maxi Cozy Boxer Shorts Cotton Black

$20.95
mens cotton boxer shorts 3 pack

3 Men's Maxi Cozy Boxer Shorts Cotton Multipack Black

From
$51.95
Black mens cotton blend boxer briefs with blue waistband front view on white background with front exit pocket

Mens Trunks Black Boxer Briefs Blue

$15.95
Black mens cotton blend boxer briefs with white waistband front view on white background with front exit pocket

Mens Trunks Black Boxer Briefs White

$15.95
4 Colours Navy, Purple, Grey, Black mens boxer briefs 'cockpit' style pack of male model front side view with no ride up design

4 Mens Boxer Briefs CockPit Pack Mixed Colours

$45.95
boxer briefs with pockets

Men's Pocket-Pro Boxer Briefs with Side Pockets Black

$22.95
Mens Trunks Black Boxer Briefs Grey

Mens Trunks Black Boxer Briefs Grey

$15.95
Australia · A$

© 2009–2026 Frank and Beans Australia Pty LtdFrank and Beans® is a Registered TrademarkACN 603 755 317Quality underwear at an affordable price