Merrell Siren Edge Q2 Ladies Walking Shoes. Merrell Sirren Edge Q2 Ladies Walking ShoesThe Merrell Siren Edge Q2 Walking Shoes has been engineered for short to medium hikes, featuring a Kinetic Fit TRI insole and gender specific Q FORM 2 insole and midsole technology designed for natural alignment and support.> Ladies walking shoes> Lace-up> Mesh upper with synthetic overlays> M Select FRESH anti odour finish> Kinetic Fit TRI insole with triple zone arch support> Moulded nylon arch shank> Q FORM 2 insole and midsole technology> M Select GRIP outsole> 4.5mm lug depth