UltraSoft Open Fly 3.6" Trunks, Neon MAN
Premium comfort for real men - once you try, you won’t go back
SAVE BIG WITH OUR PACKS
| Size | Waist | Hips | Length | Inseam |
|---|---|---|---|---|
| S (44) | 76–80 29.9–31.5 | 88–92 34.6–36.2 | 17.5–20 6.9–7.9 | 8.5–9.7 3.3–3.8 |
| M (46) | 80–84 31.5–33.1 | 92–96 36.2–37.8 | 17.9–20.4 7–8 | 8.5–9.7 3.3–3.8 |
| L (48) | 84–88 33.1–34.6 | 96–100 37.8–39.4 | 18.2–20.7 7.2–8.2 | 8.5–9.7 3.3–3.8 |
| XL (50) | 88–92 34.6–36.2 | 100–104 39.4–40.9 | 18.5–21 7.3–8.3 | 8.5–9.7 3.3–3.8 |
| 2XL (52) | 92–96 36.2–37.8 | 104–108 40.9–42.5 | 18.9–21.4 7.4–8.4 | 8.5–9.7 3.3–3.8 |
| 3XL (54) | 96–100 37.8–39.4 | 108–112 42.5–44.1 | 19.1–21.6 7.5–8.5 | 8.5–9.7 3.3–3.8 |
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Estimated Delivery:Dec 10 - Dec 14
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Free Shipping & Returns: On all orders over $100
UltraSoft Open Fly 3.6" Trunks, Neon MAN - Premium men’s trunks designed for natural organ positioning and absolute comfort. These mid-rise UltraSoft trunks feature an open fly and an anatomical internal structure for natural positioning and secure fit. A large three-section pouch ensures that body parts remain in a pressure-free position. The glow-in-the-dark print charges up from any light source and emits a soft lime green glow in darkness for 15-60 minutes until gradually fading, while appearing white in daylight. A soft 4 cm waistband ensures comfort without pressure, and the adaptive cut accommodates various body shapes.
Materials & Care
Made from breathable stretch cotton (95% cotton / 5% elastane) for softness, flexibility, and irritation-free wear.
Performance Benefits
Anatomical support — internal structure keeps organs naturally positioned and stable
Anti-chafing & breathable — moisture-wicking fabric keeps skin dry and comfortable
Cooling effect — pouch temperature stays -1.5°C lower to prevent overheating
Reduced friction — minimal contact with thighs for more freedom
Freedom of movement — no discomfort during everyday activities or sports
Durable fit — retains shape and color after repeated washes
Versatile — suitable for daily wear and active lifestyles
Tech Proof
Wicking: 1-3 mm/s
Drying: 10-20 g/h
Cooling: 1-2°C
Martindale: 10-15k
Upgrade your underwear collection with the neon MAN UltraSoft Open Fly 3.6" Trunks. Shop now for ultimate comfort, adaptive fit, and playful glow-in-the-dark style.
UltraSoft Open Fly 3.6" Trunks, Neon MAN
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.
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.
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.
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.
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.
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.
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.