ProActive Long Boxer Briefs 9" OpenFly, Black

- For the strong and big
reduce chafing between the legs
- Horizontal fly
- Classic anatomical pouch
- Polyester - (92%) / Elastane - (8%)
- 185±8% GSM fabric weight
- Nuts do not get pressed against the hip
- Reduced temperatures and improved ventilation
- Inseam 8.94" - 9.72"


Anatomic Long Thermal Boxer Briefs

Ready for your next mountain adventure? The Anatomic Long Thermal Boxer Briefs are your go-to for ultimate comfort and moisture control on any journey.

Why You’ll Love Them:

Anatomical Fit: Designed to keep you comfortable in the groin area, even on long hikes. Whether you're climbing a mountain or staying active, these boxers keep everything in place.
Moisture-Wicking Technology: Engineered with lightweight thermal fabric that efficiently wicks away moisture, keeping you dry and fresh throughout your hike.
Tested at the Top: Our founders took these to the peak of Mount Hoverla, ensuring they stand up to extreme conditions. Now, it’s your turn to experience unbeatable comfort and performance.
Key Features:

High-Performance Fabric: Thin, breathable thermal material for all-day comfort.
Perfect for Travel and Outdoor Adventures: Lightweight and designed for movement.
Experience the difference for yourself—reach the summit dry and comfortable!

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
9.3"inseam

Polyester - (92%), elastane - (8%).

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

Free standard shipping is available on all orders above $65 (after discounts and before taxes).

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.