Made to be super comfortable with an OrthoLite Impressions memory-foam footbed and the Hoverlite comfort outsole, these men's chukka boots are also responsibly constructed with environmentally sensitive materials. Upper: Better Leather from a tannery rated silver for its water, energy, and waste management practices, and mesh fabric Defender Repellent Systems treatment ReBOTL fabric lining containing at least 50% recycled plastic Ground-contact midsole of EVA-blend foam for high-rebound cushioning