Pearl Izumi Women's W Elite Road v5 Cycling Shoe 100% Synthetic Imported Rubber sole Spring/summer 2017. Replaceable heel bumper Unibody construction eliminates traditional lasting board to deliver super low 5mm stack height for maximum pedaling efficiency Advanced 3-layer seamless composite upper offers exceptional breathability and eliminates hot spots by adapting to your unique foot shape Bi-directional closure wraps the foot for a semi-custom fit and secure foot retention. Boa ip1 reels allow 1mm micro-adjustability With 1:1 integrated carbon power plate delivers feather-light stiffness (stiffness rating of 13)