- This is one of the more underrated shoes in the Merrell 1TRL assortment. They've perfected the colour ways. They've perfected the fit. They've perfected the sole. Essentially they have created perfection. Don't believe me. Try them on and then we can debate. BECAUSE THAT'S HOW YOU DEBATE.  - Recycled cow suede, plant based material & canvas upper - Recycled laces, webbing, coffee grind rubber heel & toe cap, mesh lining & footbed cover - Removable EVA foam footbed - Cleansport NXT™ odour control treated - Lightweight EVA foam midsole with Merrell Air Cushion in the heel & molded nylon arch shank - Vibram Ecostep Recycle outsole