The Tektrel was built to run the trail less travelled with confidence thanks to an aggressive lug design, dynamic midsole and stylized upper. The AT Tread outsole provides versatile traction during both on and off-road activities and the performance midsole offers comfortable cushioning built for running. Upper: Synthetic Closure: laces Outsole: Rubber. These New Balance Tektrel trainers in slate grey combine DynaSoft cushioning with AT Tread grip for outstanding performance. The suede and synthetic design delivers modern athletic style with superior comfort and support.