Now available in 3 sizes for more precise fit! Solite Knit Split-Toe Heat Booster  wetsuit socks take your Solite boots (or any other boots) to next-level versatility. Wearing Heat Booster socks inside your boots adds a few degrees of extra warmth, provides a more cushy feel, and makes putting on/taking off your wetsuit boots super easy.

Features 

• Polyester/Nylon/Spandex blend won't absorb water, dries fast, and provides a boost of warmth for frigid days.
• Split toe design fits inside all Solite boots and any other split-toe or round-toe boot.
• Sweat-free surface friction let your boots and wetsuit slide on much easier.
• Machine wash and dry to eliminate stinky bacteria inside your boots.
• Use 'em for any activity, in or out of the water. Even flip-flop socks if you are into that sort of thing.
• Available in three sizes: Small (US Mens 5-7.5), Medium (US Mens 8-10.5), Large (US Mens 11-13+).