Here's what other sites are saying:
As close to barefoot as it gets. Made with 2.5mm wetsuit neoprene laminated to a chlorine-free merino, the minimalist R2(R) Wool Lined Neoprene Socks keep your feet warm while preserving the feel and performance of surfing without booties. The chlorine-free merino is soft on the skin and stays warm when wet, and the recycled polyester dries quickly and adds durability. The PU-laminated soles offer excellent flexibility while providing reliable grip and protecting your feet from barnacles and rocks. Essential equipment for winter in moderate climates, or for warm water surfers transitioning to cooler conditions.