With inspiration from out 90's inovation and heritage, the NEW Silo has a design language that those in the know, know. With a high rebound, STI Energy Foam mid-sole that is wrapped with a 400NBS rubber outsole, this shoe is amazingly comfortable, functional, and durable. The synthetic upper keep the Silo ligthweight, breathable, and anchored to the innovation that éS has pioneered for over 20 years of premium shoe making.