V-15 lace-up high top trainers. Made in particular from rice waste and rubber. These high top trainers feature a flat heel and a lace-up fastening. Uppers are 100% leather with a 100% polyester lining. Cushioning is 50% EVA, 50% cotton, and the sole is 100% rubber. The trainers utilize vegetable tanning, avoiding toxic substances harmful to humans and the environment. The leather is sourced from environmentally-certified tanneries, assessed by the Leather Working Group (LWG) for environmental performance, including energy and water consumption, waste water, and air emissions.