- 24Fw new spring and summer Prad* rhombus Velcro sandals. This sandal presents a modern menswear-style silhouette, with quilted details echoing the classic Prad* triangle shape. This sports sandal is made of leather and has a unique sole. Lightweight rubber vividly expresses the duality core of Prad*. Upper: lambskin Lining: sheepskin lining Number of yards: 35-39 (40 customizations are not returnable),