Karhu Women's Running Shoes Fast4 Fulcrum Synthetic-and-mesh manmade sole Strongly accentuated asymmetric upper with clear medial and lateral shoring supported by welded side reinforcements Tongue is anatomically mapped around the instep and features a soft touch logo top Moisture wicking collar liner Tongue is anatomically mapped around the instep and features a soft touch logo top Welded reinforced heel, mid foot and toe toe tip reinforcments