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Stretchy soft, lightweight, and breathable Undies designed with movement in mind. Grab a pack that will to stay put, so you donât have to.
Breathe Boxer Brief w/ Fly 10-Pack
Stretchy soft, lightweight, and breathable Undies designed with movement in mind. Grab a pack that will to stay put, so you donât 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.
Colors are selected based on available inventory and will vary from this photo. You may receive duplicate colors.
For the Active Fly Guy
Boxer Brief with Fly meets keeps-you-cool-perforated-soft-as-heck-comfy. Yes, thatâs a lot of adjectives. This Boxer Brief was literally designed for your everyday activity because itâs made with moisture-wicking, anti-odor, quick-dry material to keep you comfy no matter what you get into. Bonding at the edges will loosen up after time to mold to your body for the perfect fit.
Itâs All in the Details
- 6â 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, weâre just happy youâre here. We want you to be happy youâre here, too. If youâre not satisfied with any product for any reason, you can return your order for a full refund within 45 days.
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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.