Callaway Footwear Men's Del Mar Zephyr Golf Shoe 100% Leather Imported Rubber sole Del mar zephyr offers excellent playability in a spike less design 20 percent lighter than previous models Euro conscious upper in premium leather wedded stylishly to all ethyl vinyl acetate outsole with xfer traction technology Xfer fractional elements incorporated into lightweight all ethyl vinyl acetate outsole for optimum lightweight performance Stylish European fashion inspired profile in handsome full grain leather Ortholite 3d comfort insole for maximum comfort right out of the box