The Merrell Test Lab MTL Adapt Matryx is designed for elite trail running, particularly for ultra marathon athletes. It offers enduring all-day cushioning suitable for both rugged terrains and smooth trails.

• Matryx® upper made from a single layer of Kevlar and high-tenacity polyamide threads
• Lightweight, breathable, and abrasion-resistant upper
• Ideal for trail running and rugged terrains