Mammut Runbold IV Pant

What Our Gearhead® Experts Are Saying:

"These pants are an absolute trail essential. The 4-way stretch fabric moves effortlessly, making steep ascents and technical terrain feel easier. They’re super lightweight but still durable, and the adjustable waistband ensures a perfect fit. I love the zippered pockets for keeping small essentials secure, and the UPF 50+ protection is a great bonus when hiking in the sun. Whether for day hikes or multi-day treks, these pants never let me down."

For trailblazers and outdoor explorers, the Runbold IV Pants deliver the perfect combination of comfort, durability, and performance. Designed with lightweight, 4-way stretch fabric, these pants move with us on technical terrain while keeping us cool and comfortable. The athletic fit and adjustable waistband ensure a dialed-in fit for long days on the trail, while the quick-drying material wicks moisture to keep us dry through changing conditions.

Equipped with UPF 50+ sun protection and multiple zippered pockets for secure storage, these pants are made for everything from alpine treks to everyday adventure. Whether we’re summiting peaks or navigating winding trails, the Runbold IV Pants are built to keep up.

, Lightweight and breathable 4-way stretch fabric for unrestricted movement, UPF 50+ sun protection shields against harmful UV rays, Quick-drying material keeps us comfortable in varying conditions, Adjustable waistband ensures a perfect fit for all-day wear, Two zippered side pockets, a zippered leg pocket, and a back pocket for secure storage, Bluesign®-certified fabric made with recycled materials for a lower environmental impact