Incredibly thin, lightweight and flexible describe this water sports FiveFingers offering. The Signa will get you on and off your boat or into the river to your Kayak with ease. Not to mention it will pack into a dry bag like no other FiveFingers model. Split sole design allows for natural plantar flexion increasing efficiency when swimming. Abrasion resistance fabric for durability and foot protection. Vibram performance rubber for added slip resistance on rocks. Drainage holes for increased water flow. Features: *UPPER: Stretch Polyester Mesh *INSOLE: Polyester Mesh *COMPOUND: Wave Grip *MAX SOLE THICKNESS: 3mm *Machine wash Cold/Air dry.