Mammut Runbold IV Men's Shorts Phantom - Lightweight Stretch Hiking Shorts with UPF 50+

On a demanding alpine trek, every gram counts and every layer must perform. The Mammut Runbold IV Men's Shorts in Phantom are built for hikers and climbers who need reliable, lightweight comfort on the move. Crafted from a stretchy polyamide-spandex blend with Mammut SOFtech™, these shorts move with you over rocky scrambles and forest trails, while the PFC-free DWR finish sheds light rain and dirt. With UPF 50+ protection and quick-drying fabric, they keep you cool and shielded from the sun during long summer approaches.

Key specifications

• Material: 85% Polyamide, 15% Spandex with Mammut SOFtech™
• UV Protection: UPF 50+
• DWR: PFC-free Durable Water Repellent
• Fit: Regular Fit, short leg length
• Waistband: Partially elasticated with belt loops
• Closure: Button and zipper fly
• Pockets: 2 side pockets, 1 zippered leg pocket, 1 zippered back pocket
• Weight: approx. 230 g (size 48)
• Sustainability: bluesign® PRODUCT

Why choose it

These shorts combine technical performance with everyday versatility. The abrasion-resistant fabric withstands rough contact with rock and pack straps, while the four-way stretch ensures unrestricted movement. The multiple secure pockets keep essentials safe, and the quick-drying, moisture-wicking properties make them ideal for multi-day trips.

Ideal use cases

• Summer hiking and trekking
• Alpine climbing approaches
• Travel and sightseeing in warm climates
• Casual outdoor wear

Good to know

The Phantom colour is a versatile dark grey that pairs easily with any outdoor wardrobe. As a bluesign® PRODUCT, these shorts meet strict environmental and consumer safety standards, ensuring responsible production from fabric to finished garment.