NIKE Men's Air Zoom Attack Golf Shoes (Medium) (13 M, White/Silver/Black) Synthetic Flywire technology provides an adaptive fit - Medial and lateral TPU support wings for increased lateral stability - Zoom Air unit in the heel offers responsive cushioning Premium micro-fiber synthetic upper is lightweight and durable Nike Power Platform helps to stabilize the foot for a smooth heel to toe transition through your swing 7 removable CHAMP Zarma Tour golf spikes twist and lock into a CHAMP Tri-LOK system for exceptional traction and enhanced ground feel on a variety of surfaces Waterproof, gasket-like membrane under the footbed provides an additional shield against the elements - waterproofing features a 2-year Nike warranty