The Zone3 Neoprene Warmth Vest (buy) offers top-class warmth and flexibility for swimming in the coldest of waters. Best base layers for swimming in 2025 Best overall swim base layer ...

12 best rash vests for women; The best swim leggings. ... ZONE3 makes excellent cold water swimming accessories, and these 3.5mm neoprene swim socks are among its best products.