The all new Leather version of Chev Mulligan is fantastically lightweight, waterproof and will perform for 18 holes straight out of the box. !!!!Leather Waterproof Upper!!!! Nature’s waterproof breathable outer combined with a waterproof breathable membrane layer. !!!!Opti-vent Mesh Lining!!!! Opti-vent mesh liner for breathability and heat management. !!!!Big Bertha Power Cleat!!!! Big Bertha power cleat. With longer traction elements on one half of this asymmetrical cleat, we have bio-mechanically tuned their position on the sole to assist your energy transfer and enhance the power that can be generated through more solid ground contact 1 Year Limited Waterproof Warranty 30 Day Comfort Guarantee