These are the Henderson Thermoprene 1.5mm Unisex Dive Socks               

Features:

• Constructed from ultra-soft4-way stretch 1.5MM Thermoprene neoprene.
  • Designed to keep your feet warm and help prevent abrasion.
  • Perfect for diving, snorkeling, wakeboarding, kayaking, canoeing and all water sports. Also great for walking on hot sand and rough concrete.
  • Great for wearing with full foot snorkeling or diving fins. Helps keep sand from irritating feet when using fins.
  • Slips on easily and prevents chafing; durable traction sole helps you grip the boat deck, dock, or shore.
  • Socks can be worn together with wetsuit boots for added warmth in very cold water or used with hunting or hiking boots to help keep your feet warm.
  • This is a wetsuits Sock. It will help keep you feet warm and comfortable when used in, under or around the water.

These extremely versatile booties are a must-have as they can be used alone or layered for added warmth.