Pearl Izumi Women's W X-Project Elite Cycling Shoe 100% Textile and Synthetic Imported Synthetic sole Heel measures approximately 1" Platform measures approximately 0.75 inches Spring/Summer 2017. Co-molded carbon rubber tips on hollow TPU lugs provide impressive traction. EVA foam heel absorbs impact for off-the-bike comfort Completely re-engineered carbon composite sole does what no other can: delivers uncompromising pedaling performance off-the-bike hike-ability and traction. Completely re-engineered carbon composite sole does what no other can: delivers uncompromising pedaling performance and confident off-the-bike hike-ability 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 and pop up for full release