Product Details + Premium Waterproof Upper Offers 360 Degrees Of Support While Protecting Your Foot From The Elements3D Molded External Heel Cup Provides Lateral Support And Helps Keep Your Foot Locked In Through Every Phase Of Your SwingDirect, Under-Heel Comfort With Removable And Washable InsolesG/Fore Comfort System Technology Footbed Nubs Allow Maximum Airflow While Massaging Your FeetResponsive Eva Midsole With Auxetic Sidewall Will Keep Your Feet Comfortable After Long Days On The Course2 Piece Rubber Non-Slip Outsole With Hybrid Knurled And Sawtooth Traction Keep Golfers Sure-FootedIf you're Between Sizes, we Recommend Ordering Up 1/2 Size.