Synthetic uppers are durable and smooth for a great look and feelSoft foam midsole cushions every stepPlush sockliner adds comfort underfootPiston spikes and data-informed traction pattern gives you the grip and performance you need where you need itTGW Moisture Rating: waterproof, recommended for all conditions1-year waterproof warrantyWeight: 9.6 ozAll shoes are listed in U.S. sizes new without box