ZESPA ZSP4 HGH Navy. The ZSP4 is the most famous and iconic style from ZESPA Aix-en-Provence. Really smart and sober. Full grain calf nappa made in Italy. Full grain leather lining. Anatomical sole covered with full grain calf leather. Hot stamp embossed logo in gold on leather. Outsole in premium quality gum. Hand-made sneaker with side sewn sole. Laces in 100% combed cotton made in France.