FootJoy Hyperflex BOA 2021 Golf Shoes – Grey/Red FootJoy Hyperflex BOA 2021 Golf Shoes in Grey and Red for men offer enhanced support, comfort and control during your rounds on the golf course. ‘A Shoe that moves with you'. Features: Stratofoam midsole compound Enhanced comfort Optiflex outsole – offers enhanced range of motion and flex Moulded High Density EVA FitBed Engineered mesh with TPU yarns – offers enhanced structure and support