These are my Bonaire booties: Bare 3 mm HD Tropic Boot
"The BARE Tropic is made from 3 mm Nylon ll Neoprene with a Reinforced Heel Cap and the Heavy Duty Ice Boot Sole for Extreme Durability."
"The BARE Tropic is made from 3 mm Nylon ll Neoprene with a Reinforced Heel Cap and the Heavy Duty Ice Boot Sole for Extreme Durability."