FOOTJOY - Men's shoe Contour BOA 2016 (54189) Heir to the Aqualites, they are as comfortable as they are ultra-light, to be used all year round. Full leather upper Full leather allows for comfortable, waterproof, breathable and strong uppers. Waterproofness guaranteed for one year FootJoy warrants this shoe for one year to be waterproof under normal use. Soft and supple PU lining The PU (polyurethane) lining gives the look, comfort and feel of leather, and a great fit. Lightweight PU liner Excellent support and cushioning of the foot. Construction with slip shape Often used on running shoes, this manufacturing method eliminates the need for an insole, provides a more shapely platform and increases the flexibility of the shoe. Contour Shape Rounded toe, generous forefoot, standard instep and heel. The bottom of the form is contoured to better fit the foot. EVA midsole These lightweight EVA (ethyl vinyl acetate) soles provide good cushioning when walking. The EVA does not deform over time, and the shoe constantly fulfills this role of shock absorber. DuraMax rubber outsole Very soft, resistant, flexible sole providing excellent support on the ground. Fast Twist crampon attachment The Fast Twist System (FTS) is the most popular stud insertion system today. A quarter turn is enough to fix or remove the crampon. Softspikes® Pulsar crampons The Softspikes® Black Widow Pulsar crampons retain the traction and walking comfort qualities of the Black Widow, with rounded tips to last longer. They are also easier to clean.