Campo Chrome Free leather trainers. Flatform trainers with contrasting V-logos on the sides and heel counter. Overlays and uppers in supple, lightweight Chrome Free leather.Product details • Sports shoe • Flat heel • Fastening: lace-up Fabric content and care advice • Uppers: 100% leather • Lining: 100% polyester • Cushioning: 100% cotton • Sole: 100% rubber • Vegetable tanning. Vegetable tanning avoids the use of toxic substances harmful to humans and the environment (chrome). • Leather from environmentally-certified tanneries. Leather Working Group (LWG) certification is an internationally recognised certification which assesses the environmental performance of tanneries (covering energy and water consumption, waste water, air emissions etc.)..