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O'NeillHeat 7MM RT Boot

Bring the Heat.

The Heat 7mm RT Boot is O'Neill's warmest bootie for surfers that don't consider cold water an excuse to not surf. The internal Firewall reflects thermal heat for extra warmth, and Fluid Foam is O'Neill's thickest neoprene.

  • Fluid Foam neoprene
  • Firewall thermal reflective interior
  • Welded seams
  • Hook-and-loop straps
  • Reviews
  • Q & A

What is the size equivalent for a Ladies size 9?

Hey Kimberly,

Size Small in these O'Neill Heat 7MM RT Boots would be the best choice if you are a Ladies size 9. Feel free to contact me directly with any additional questions.

Kyle L - Expert Gearhead