These Merrell Men's Kahuna III Sandals feature both an air cushion in the midsole for optimum comfort and a Vibram sole unit which ensures maximum stability and durability on uneven and testing surfaces.FeaturesAntimicrobial Lycra neoprene lining - Offers excellent protection.Air cushion in the midsole - Provides excellent cushioning and comfort when you need it most.Vibram sole unit - Ensures maximum stability and durability on testing surfaces.Pig suede upper - Provides superb flexibility.