1.5" block heel made of recycled plastic Cushioned foam mid-sole for all-day under-foot comfort Printed calf hair upper, kid suede and resin pearl studded strap, synthetic rubber sole Slide can be worn with most Alterre straps and detachable Twiggy strap can be worn with all Alterre shoe bases Available in regular full sizes 6 - 11. Half size? We suggest sizing up.