The SIDI Performer is the boot built for the rider who is ready to step up their riding game without shelling out a lot of coin. Full of features, such as the Teflon mesh lined upper for superior drying and the elastic panel at just the right point parallel to the zipper for an easier zipper closure. A full height Goretex waterproof and breathable membrane keeps the rain out for every day, all season riding. Front and rear calf mesh panels keeps air moving.