Pearl Izumi Women's W Tri Fly Elite v6 Cycling Shoe 100% Synthetic Imported Synthetic sole Spring/Summer 2017. Replaceable heel bumper. Dual density EVA insole With 1:1 Anatomic Tri Closure eliminates hot spots and removes pressure from your forefoot (patent pending) Replaceable heel bumper board to deliver super low 5mm stack height. Oversized heel pull offers easy on/off performance Advanced 3-Layer Seamless Composite Upper offers exceptional breathability and eliminates hot spots by adapting to your unique foot shape With 1:1 Integrated Carbon Power Plate delivers feather-light stiffness (stiffness rating of 13)