The Billabong Furnace Round Toe 5mm are 5mm thick surf boots made with Graphene Recycler, fibers coated with graphene inside that retains and distributes the heat generated by your body.
The round toe system provides more warmth, by having all the toes together. With 5mm thickness and sealed seams, the Billabong Furnace Boot are perfect neoprene booties for surfing the coldest days of the year.