Sanuk Mens Range Plaid Sidewalk Surfers Footwear Rubber Rubber sole Sanuk Mens Range Plaid Sidewalk Surfers Footwear Details: Plaid Flannel upper on a slip-on construction. Functional nylon lace pull-tab design for ease of slipping on or carrying with you while traveling. Covered, breathable, removable, dual density insole for superior comfort. True vulcanized construction with rubber outsole inspired from mountains. Plaid Flannel upper on a slip-on construction Functional nylon lace pull-tab design Covered, breathable, removable, dual density insole for superior comfort