The Qwik will have you out the door quickly with its adjustable hook-and-loop strap. It will keep you comfortable all day with its knitted textile exterior, slip-resistant outsole and a removable footbed designed for TRAQ by Alegria® shoes. Adjustable hook-and-loop strap knitted textile upper is breathable and stretchy to accommodate for all foot shapes Removable insole Lightweight responsive polyurethane outsole Slip-resistant outsole 1.5 inch heel height Q-Sport Rocker outsole Size 41 - According to the Allegria website is an 10.5/11. Like new.