Speedo Women's TRBZ Amphibious Lace-Up Water Shoe 100% Synthetic and fabric Imported Synthetic sole Exciting new technical footwear from speedo, great for any activity in or around the water! Trademarked s-trac rubber outsole offers water management and dispersion to provide maximum traction and slip resistance Exclusive fluidflow technology provides drainage from topsole through the outsole for quicker drying Rubber traction pods on outsole provide maximim grip around all aquatic environments Seamless construction provides ridiculous comfort with or without socks while exterior dual density shell offers a secure fit