Members Always Get Free Shipping and Returns on US Orders
Ultra-light, anti-odor, quick-dry, and super-stretchy Undies with a hidden pocket. Our Breathe fabric feels invisible and stays put, so you don’t have to.
Breathe Long Boxer Brief w/ Fly
Ultra-light, anti-odor, quick-dry, and super-stretchy Undies with a hidden pocket. Our Breathe fabric feels invisible and stays put, so you don’t have to.
Size Guide

Size | S | M | L | XL | 2XL | 3XL | 4XL |
---|---|---|---|---|---|---|---|
Natural Waist (in) | 26-28 | 29-31 | 32-34 | 35-37 | 38-41 | 42-44 | 45-47 |
Size | S | M | L | XL | 2XL | 3XL | 4XL |
---|---|---|---|---|---|---|---|
Natural Waist (cm) | 66-71 | 74.5-79.5 | 81-87 | 89-94 | 96.5-104 | 106.5-112 | 114-119.5 |
Fit
"This product Runs normal"
Unsure of What Size to Buy?
Reach out to our CheekSquad at meundies.com/help so we can help you find the perfect size.
Return Policy
If you're not satisfied with any product for any reason, just reach out to the CheekSquad for a full refund or exchange. No caveats. No questions. No worries.
Skip or cancel anytime.
The Membership
Level up your top drawer with new Undies
each month.
Enjoy Discounted Pricing
Pay less for Undies, Loungewear, and virtually everything we make.
Free Shipping and Returns
Members always get free shipping and returns on US orders.
Control Your Shipments
Skip any month you don't need (or want) new Undies.
Unlock Early Access
Get our most popular prints and products before they sell out.
For Thighs That Need a (Light) Hug
Our most-loved Long Boxer Brief with Fly—made for your everyday activity. Whatever you feel like doing today, these Undies were made for it. They’re made with moisture-wicking, anti-odor, quick-dry material to keep you fresh and comfy all day. Plus they have a 9” inseam featuring perforated, breathable, anti-chafing material. If your thighs need a hug, (the lightweight kind) this is for you. Bonding at the edges will loosen up after time to mold to your body for the perfect fit. Shop our selection of various long boxer briefs, available in a variety of prints, colors, fabrics and sizes.
It’s All in the Details
- 9” Inseam
- Ultra-light
- Anti-odor
- Quick-dry
- Super-stretchy
- Stays Put
- Functional Fly
- Hidden Pocket (for Earbuds, Keys, Credit Cards, etc.)
- Perfect for Everyday Activity
- 69% Textured Nylon, 9% Recycled Nylon, 22% spandex
- Ethically Sourced
- Imported Under Fair Working Conditions
Our Problem-Free Philosophy
Honestly, we’re just happy you’re here. We want you to be happy you’re here, too. If you’re not satisfied with any product for any reason, you can return your order for a full refund within 45 days.
Learn More
Free Shipping on US Orders $50+ and Free Returns
Members Always Get Free Shipping and Returns on US Orders
Orders are processed within 1-2 business days. Expected arrival times vary by location.