Gender: Men. The Adidas UltraBoost Spikeless shoe offers step in comfort with a slow resilient sock liner and a cushioned ride and energy return with a Boost midsole. The PrimeKnit textile and microfiber leather upper is durable and water resistant while the spikeless outsole provides traction that is on and off course friendly. In addition UltraBoost features the Torsion System an arch support unit that enhances stability and support for the midfoot promoting a smooth heel to toe transition during movement.