Product description
3mm neoprene material (a special kind of 100% CR W7 grade thebest possible thermal properties) will keep your foot warm
Anti-skip bottom
Prevents chafing and add insulation when diving with full footfins
Protect foot pad adds extra strength
Glued and stitched seams
These socks apparently work great inside wading boots as wadersocks as well (good for fly-fishing too)