- 24Fw spring and summer new Prad* Monolith rhombus Velcro thick-soled sandals. This thick-soled sandal presents a modern men's style silhouette, with quilted details echoing the classic shape of the Prad* triangle. This sports sandal is made of leather and paired with a unique Monolith The sole, with lightweight rubber, vividly expresses the duality core of Prad*. Upper: Lambskin Lining: Lambskin lining Heel height: 5.5cm Size: 35-39 (40 customizations are not returnable),