Primus Trail FG 3.5 Mens Silver Birch colour Blue it’s hard-wearing and waterproof yet

it’s hard-wearing and waterproof yet lightweight and flexible

A boot doesn’t have to mean clunky feet

The durable TPU cage brings protection and the quick-lace system easy adjustments

Learn the fundamentals on transitioning and moving barefoot from our leading barefoot movement coaches with this online course

This boot’s got durability that will take you on adventures for years to come

Primus Trail FG 3.5 Mens Silver Birch colour Blue it’s hard-wearing and waterproof yetHit the trail to rewild yourself and reconnect with nature. The Primus Trail 3. 5 FG is a light, durable, flexible trail running trainer that brings us one step closer to circular footwear.