FlexFit Trunk 3.2" Open Fly, Burgundy

Premium comfort for real men - once you try, you won’t go back

Regular price $23.50
Sale price $23.50 Regular price $27.33
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Burgundy
Size Guide
Man’s SET Classic underwear size guide showing waist, hips, length, and inseam measurements
SizeWaistHipsLengthInseam
S (44) 76–80 29.9–31.5 88–92 34.6–36.2 18.6–21.6 7.3–8.5 7.4–8.7 2.9–3.4
M (46) 80–84 31.5–33.1 92–96 36.2–37.8 19–22 7.5–8.7 7.4–8.7 2.9–3.4
L (48) 84–88 33.1–34.6 96–100 37.8–39.4 19.4–22.4 7.6–8.8 7.4–8.7 2.9–3.4
XL (50) 88–92 34.6–36.2 100–104 39.4–40.9 19.8–22.8 7.8–9 7.4–8.7 2.9–3.4
2XL (52) 92–98 36.2–38.6 104–110 40.9–43.3 20.2–23.2 8–9.1 7.4–8.7 2.9–3.4
3XL (54) 98–104 38.6–40.9 110–116 43.3–45.7 20.6–23.6 8.1–9.3 7.4–8.7 2.9–3.4
  • Estimated Delivery:Nov 07 - Nov 11

  • Free Shipping & Returns: On all orders over $100

- For the big and strong
- Reduce chafing between the legs
- Skew fly
- Classic anatomical pouch
- 95% Cotton / 5% Elastane
- 185±8% GSM fabric weight
- Reduced temperatures and improved ventilation
- Inseam 2.91" - 3.43"

FlexFit Trunks

Meet the upgraded FlexFit Trunks, designed based on the feedback from our customers. The anatomical pocket remains, but now features an angled fly that provides easy access while minimizing any unwanted morning surprises.

Why You'll Love Them:

Anatomical Pocket: Ensures natural positioning and comfort, with an angled fly for easy, discreet access.
Health Benefits: Supports male health by positively impacting potency, boosting testosterone production, and improving reproductive function.
All-Day Comfort: Keeps everything in place, offering a secure fit without discomfort.

FlexFit Trunks deliver unparalleled comfort while keeping you feeling confident and in control. Experience the perfect blend of practicality and style today!

Model Size

Model is Size L / Waist size 33.5 / Belt circumference 35.5 / Hip circumference 38.5

View Size Guide

Fit

  • Trunks
  • Skew fly
  • 3.2 inseam

Cotton (95%), elastane (5%).

This product is made from OEKO-TEX® STANDARD 100 certified material which means it is free of harmful chemicals.


Care Instructions:
Machine wash cold 30°С
Gentle cycle
Only non-chlorine bleach when needed
Tumble dry low
Iron low

All available shipping options will be visible at checkout. We ship orders within 10-14 business days, but this can increase during promotional periods. All sales are final and cannot be returned for a refund or exchange. For more information, check out our Frequently Asked Questions page.

Man’s SET burgundy FlexFit Trunk 3.2" anatomical men’s underwear with open fly, angled front view

FlexFit Trunk 3.2" Open Fly, Burgundy

Free Delivery on orders over $100

Peak Performance from MAN’S SET

Advanced Moisture Control – wicks sweat away from your skin up to 3× faster, keeping you dry when it matters most.

Quick‑Dry Technology – dries in as little as 20 minutes, so you stay light and ready to move.

Odor‑Resistant Finish – antimicrobial treatment fights odor‑causing bacteria, even during intense workouts.

Built to Last – maintains shape, stretch, and performance wash after wash — 100+ cycles strong.

From the Founder of MAN’s SET

“Underwear should do more than just fit — it should work with your body. That’s why we created MAN’s SET Anatomic Underwear. Made from ultra-soft MicroModal, it adapts to your form, keeps you cool, and supports you exactly where you need it. It’s not just comfort — it’s confidence, engineered for every day. Once you try it, you’ll never go back to ordinary underwear.”

Trusted by many

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WHY MAN'S SET?

MAN'S SET is designed to fit your body perfectly, supporting the natural position of your anatomy. The patented ball pouch, engineered for movement, eliminates chafing, adapts to your shape, and provides the precise support you need for any activity.

Man's SET anatomical design
01

ADVANCED ANATOMICAL CONSTRUCTION

Our patented anatomical design with a ball pouch provides precise separation and reduces friction. Developed through medical research, it supports reproductive health and ensures maximum comfort and freedom of movement throughout the day.

02

CRAFTED WITH ECO-FRIENDLY PREMIUM FABRICS

Made with soft, breathable, eco-friendly materials to keep you cool and dry all day long. Every pair is produced in our own facility, where we control every step of the process to guarantee the highest quality.

03

TAILORED FOR YOUR LIFESTYLE

With 11 exclusive designs, our collection is made to complement any wardrobe and occasion. The body-conforming fit moves with you and delivers performance that ensures a flawless look and feel.

01

ADVANCED ANATOMICAL CONSTRUCTION

Our patented anatomical design with a ball pouch provides precise separation and reduces friction. Developed through medical research, it supports reproductive health and ensures maximum comfort and freedom of movement throughout the day.

02

CRAFTED WITH ECO-FRIENDLY PREMIUM FABRICS

Made with soft, breathable, eco-friendly materials to keep you cool and dry all day long. Every pair is produced in our own facility, where we control every step of the process to guarantee the highest quality.

03

TAILORED FOR YOUR LIFESTYLE

With 11 exclusive designs, our collection is made to complement any wardrobe and occasion. The body-conforming fit moves with you and delivers performance that ensures a flawless look and feel.