The Desperado Sock is the solution for boaters trying to fit into today's low-volume kayaks, Offers enough Safe guardion for put-ins and portages. nice fitted lycra upper combined with 3-mm neoprene padding in the toes and heel for in-the-boat Safe guardion. 1.5-mm rubber sole for traction, flexibility and feel. The Great sock for boaters looking for maximum comfort with minimum bulk. These shoes are running snug - If you are in between sizes or have wide feet you may want to consider the next size larger.