Lilac Black: the flat backless sandals with criss-cross straps and cushioned insole crafted with ecological and recycled materials It is a timeless backless model crafted in a way that respects the environment. Made with hypoallergenic materials and free from environmental toxins; what stands it's their soft ergonomic insole that is moisture-wicking and breathable. They're the reason why they prevent suffocation and excessive foot sweating. They are made with a combination of rubber and organic cork that makes them very cushioned and adds arch support. Freshness and style on an easy-to-wear model with a versatile design that matches a wide range of looks for most various occasions that is comfortable for daily use, both indoors and outdoors. Size Guide: See here the size guidefor this pair of shoes. Details: Breathable, Eco-responsible, antimicrobial and hypoallergenic.Upper: vegan leather crafted from sustainable microfibers.Lining: 90% microfibers and 10% PU.Ergonomic insole made of rubber and organic cork, laminated with microfibers resulting in a cushioned and moisture wicking insoleSlip resistant and durable rubber sole made from recycled tiresCarefully made in Portugal with sustainable materials and manufacturing processes, in a fair work environment.