The Cargo Apollo Metal Free Waterproof Safety Boot has a crazy horse leather upper with a brown padded mesh lining and a fully lined footbed. This S3 boot is waterproof, has a Composite toe cap and a Kevlar midsole, making it extremely lightweight.It is antistatic, has a shock-absorbing heel with a patented support section, also has an oil/acid resistant dual density PU black/TPE non-marking sole, and it also meets the maximum SRC slip resistant safety standard.