The New GYBE. MARINE 13 Neoprene Boot is one of the Best on the Market.

The Boots are 5mm Stretch Neoprene with a Zip Entry and velcro secure Tab.

The sole is a Flexible  medium compound making it durable for harsh surfaces yet flexible for trapeze crews.

The instep has a double wear layer for Hiking.

They are tough if your heavy on footwear.