Vivobarefoot Women's Neo L-w 100% Fabric Synthetic sole 4.0 mm Sole - Delivers a low profile, barefoot ride. 3.0 mm Press EVA Insole - helps to keep the shoe extremely low profile but also provides some cushioning with the EVA. Weight: - 162g with Insole. 147g without. The Shoe is 100% Vegan. Hydrophobic Mesh Upper Helps repel water and keep the feet dry.