The UltraRange™ EXO have an Alternate Closure (AC) of adjustable stretchy bungee laces to keep the shoes on snug. The Lycra® collar and heel let the shoe easily glide onto your foot like a slip-on while the bungees keep it tight. The lugged rubber outsole is bonded to an UltraCush™ Lite midsole for excellent traction and cushion, and inside the shoe is another UltraCush™ insole to double up on the comfort factor.