Icebug Women's Anima3 Bugrip Studded Traction Running Shoe 100% Knitted Textile/Protective Polyurethane/Thermoplastic Polyurethane Imported Rubber sole Mixed-terrain running shoe featuring closed-cell foam technology Padded tongue and collar Injection-molded midsole Traction rubber BUGrip outsole with 19 carbide studs