However, if you’re trying to train seriously in winter you may prefer a neoprene swim cap. Do bear in mind that neoprene boots and gloves will create more drag in the water and slow your stroke ...
The neoprene is 3mm and a Velcro chin strap allowed plenty of room for adjustment, yet stayed in place well as I swam. I wore this cap with a bright normal swim cap on top for visibility ...
Some people love all the neoprene; from gloves and boots to a full swimming wetsuit, and others just like to wear their normal bathers. There's no right or wrong, it's just whatever makes the swim ...