The key to a happy adventure of the water whilst sailing or kayaking is the correct equipment. Wetsuit Centre stocks the best range of sailing wetsuits & kayaking wetsuits in the UK. A sailing wetsuit can also be used for many water sports so you can enjoy many more sports. Sailing wetsuits are for both summer and winter which is why you will see 3mm & 5mm thicknesses. A 3mm is generally for summer use whilst a 5mm will be for those hardy winter users.