The footjoy hyperflex has just got better featuring new flexgrid 30 biomorph technology the unique boa system of shoe fastening delivers a breath of fresh air to old fashioned shoe closure our feet expand and contract with constant changes in condition now our shoes can adapt with us simply turn the control knob at the back of the shoethe shoe features soft spikes with a fast twist release system flexgrid biomorph upper and performance stabiliser heels under test conditions these shoes ha