With a true women-specific upper, foot bed and custom heel cup, the Genius 5 is tailored to fit your unique foot. Sidi’s Millennium II sole is compatible with nearly every pedal system. Lorica or mesh upper with a Arch Compression strap, Ultra SL buckle and High-Security Velcro keeps the foot secure and comfortable for hours. Replaceable heel tab. Red/silver mesh or black Lorica. 35—43, with half sizes 37.5—42.5.