NPP 2021 is a one piece upper sandal with front opening from the iconic Puntopigro collection. It is made with fine vegetable tanned calf leather through the complex Opanka construction for a perfect ergonomic fit, true comfort and extraordinary flexibility. The shoe is entirely hand made and manufactured using the typical "Punto Pigro" style with premium materials. The iconic Opanka leather sole is reinforced with a second herringbone design rubber sole and shaped by hand and then sewn to the upper. Opanka constructed shoes are found to be more comfortable and durable than the other types of shoe construction. Finished with natural calf lining inside for a better transpiration. 100% Made in Italy. Details: Upper: calfskin leather, brown color Lining: unlined Stitching: Opanka Handmade Opanka sole: leather with rubber tread Heat embossed logo Fit: this item has a standard fit