Merrell Hydrotrekker Synthetic Sieve Men Black/Grey
- Synthetic leather and mesh upper Elastic cord and lock lacing system for quick secure fit Kinetic Fit BASE removable contoured insole for flexible support Merrell Air Cushion in the heel absorbs shock and adds stability Molded nylon arch shank Lightweight EVA foam midsole for stability and comfort Merrell sticky rubber outsole tunes each outsole with durable traction that grips when and where you need it.