The Billabong Furnace 7mm Round Toe Surf Boot is a premium cold-water surf boot built to keep your feet warm, comfortable and flexible in the most challenging winter conditions. With a 7 mm thick neoprene construction, this boot delivers excellent insulation for water temperatures typically in cold winter ranges. The round toe design provides a classic, comfortable fit while innovative materials maintain warmth without restricting movement.

The exterior uses Airlite Recycler Stretch, a flexible, lightweight fabric made from 100% recycled fibers, and the interior features Graphene Recycler Plus — a thermal lining that holds heat effectively. Combined, these materials create a warm, responsive surf boot ideal for extended cold-water sessions.

✔ 7 mm neoprene — maximum insulation for cold water
✔ Round toe design — classic fit
✔ Airlite Recycler Stretch exterior — flexible & lightweight
✔ Graphene Recycler Plus interior — excellent warmth retention
✔ Comfortable fit — ideal for winter surfing

When should you wear this surf boot?
This 7 mm round toe surf boot is perfect for very cold water surfing, suitable for water temperatures between 4 – 8 °C, such as winter North Sea sessions and other cold breaks.

Warranty:
Neoprene accessories like surf boots typically come with a 3-month warranty on manufacturing defects.