Which wetsuit is best for open water swimming?

The best wetsuit for open water swimming depends a lot on personal preference, reason for wearing the suit and the conditions of the water in which you are swimming. Almost all wetsuits come in standard sizing by gender - XS, S, M, ML (medium long), L, XL. The best way to find out which is right for you is to try them on. A wetsuit should be tight but able to do up and undo by yourself. Here’s our review of some swimming wetsuits in conjunction with the Open Water Swimming Society.