Description Textured Knit Fabric Upper That Provides The Ideal Combo Of Stretch And Breathability; Elastic Laces Allows The Shoe To Flex With The Foot; Each Shoe Only Weighs 5.5 Oz; Soft Oxford Cloth Lining; Removable Memory Foam Insole Provides Maximum Comfort And Reduces Sweating And Odors; Ultra Light Outsole; The Flex & Fold Technology Supports Healthy Feet With Its Unique Shape Giving Complete Freedom Of Movement; Machine Washable On Cold; If You Usually Wear Half Sizes, Choose Next Size Up For Best Fit; Style #110350500