Name: UltraSoft Trunk 3.6" Open Fly, Silver Series, White
Brand: Man's Set
SKU: SSS100-05
Price: 23.5 USD
Availability: InStock

UltraSoft Trunk 3.6" Open Fly, Silver Series, White

Men’s Anatomical Underwear with Support Pouch, Moisture Control and Ultra Soft, Breathable Fabric, Structure Detail View

$23.50

Free shipping on orders over $60

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Why MAN'S SET?

Convenient Open Fly design
High-performance Ball Pouch
Keeps you 1.5°C cooler all day
Made with super-soft fabric

Color — White

White

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Free shipping on orders over $60

UltraSoft Trunks 3.6" OpenFly – Silver Series, White
Premium men's underwear designed for everyday comfort and performance. These short boxer trunks feature a mid-rise fit and 3.6" inseam: ideal for daily wear, travel, or light activity.

A large open internal pouch with angled horizontal fly offers easy access, ventilation, and pressure relief. The open-fly pocket-style design with a soft fabric curtain provides secure support and minimizes overheating.

Crafted from a soft cotton-elastane blend (95% cotton, 5% elastane), these trunks deliver breathable stretch and a gentle fit. The cooling technology reduces body temperature by up to 1.5°C, while the ergonomic construction enhances airflow and freedom of movement.

Details include clean-cut hems that stay in place, a wide gusset for mobility, and a soft 4 cm waistband that holds without pinching.

Key Benefits:

Large open pouch with horizontal fly – discreet access and ventilation
Cooling tech – lowers skin temperature by up to 1.5°C
Premium fabric – breathable, soft underwear with lasting stretch
Modern fit – 3.6" inseam, mid-rise waist, boxer trunks style
Wide gusset & no-ride hems – ideal for work or sports
Soft waistband – secure, no marks

Part of the Silver Series, minimalist, functional, and clean. If you’re looking to buy men's underwear, these men’s boxer briefs are a top choice in premium underwear. A staple piece for anyone seeking soft underwear that performs all day.

*Decorative stitching and color may slightly vary from product images.

Model Size

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

View Size Guide

Fit

Trunks
Horizontal fly
3.6 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.

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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.

Our Clients' Testimonials

Tested, and Loved by Men Like You

Have a question? We’re here to help

Check out the most common questions our customers ask. If you need more help, please contact our support team.

Our customer support is available Monday to Friday, from 10 AM to 7 PM.

What makes MAN’s SET underwear different?

MAN'S SET underwear is designed with a patented anatomical pouch for natural positioning, reduced friction, and maximum comfort. The construction is based on medical research to support male anatomy and reproductive health. We produce in our own facility to ensure consistent quality, and every model is focus-group tested for perfect fit and freedom of movement.

Where is MAN'S SET manufactured?

MAN'S SET underwear is proudly produced in our own facility in Ukraine. This lets us control every step of production and keep the highest quality standards in every pair.

Can I return or exchange underwear?

For hygiene reasons, underwear and socks can’t be returned. If your item has a manufacturing defect, we’re happy to exchange it. Please email info@manset.com.ua to request an exchange.

How can I contact support?

If you have any additional questions, please email us at info@manset.com.ua. Our team is happy to help!

What is shipping information?

We ship worldwide. For the United States:

• Free Shipping: orders $60+, delivery in 10–14 days.
• Priority Processing & Shipping Insurance: $21.55, ~10-day delivery; faster handling and extra protection.
• Standard Shipping: $17.99, 10–14 days for orders up to $60.

At checkout you’ll see options and speeds for your country. Both standard and express shipping are available globally.