FootJoy Hyperflex BOA Golf Shoes FEATURES AT A GLANCE Engineered mesh upper with Hot Melt yarns for enhanced structure and support - Vacuumed formed engineered mesh with moulded ribbed knit saddle for structure and support OptiFlex Outsole and StratoFoam midsole - OptiFlex™ zones deliver enhanced range of motion and flex to ensure maximum ground contact Low profile, Fast Twist 3.0 Pulsar SoftSpikes -  OptiFlex™ zones deliver enhanced range of motion and flex to ensure maximum ground contact Full fit across forefoot and instep, narrower fitted heel - Full rounded toe character, full fit across forefoot and instep, with a slightly narrow heel. Added toe spring for athletic profile  Waterproof