Designed for serious offshore and ocean racing, the ZK Seaboot 900 is a 100% waterproof seaboot made from a combination of rubber and insulating neoprene. Developed and tested with our winning teams in the Volvo Ocean Race, the Seaboot 900 delivers amazing support, comfort and performance while remaining agile and responsive to the feel of the boat. A high grip rubber sole provides amazing grip in the wet and won't mark your boat. Its super durable compound won't wear down easily, keeping performance higher for longer.An integrated gaiter system has perforated holes at the base for fast drainage and the boots heel and arch have been reinforced with extra support.All our Seaboots are individually tested during production to provide you with the confidence needed when out at sea