Karhu Women's Strong5 Fulcrum Synthetic-and-mesh Padded heel counter for our most plush step-in feel Welded reinforced heel, midfoot & toe tip for runners who needs continuous guidance in their stride Synthetic suede M-logo integrated into the lacing system for structured support Medial support sidewall overlay on the fulcrum for reinforced stability Compression-molded full length fulcrum to guide the foot completely through the gait cycle