PHOENIX 8Z SIDE ZIP BOOT Full-Grain Leather Upper We use Global Recycled Standard (GRS) endorsed recycled TPU materials. When you shop from this range, you're helping us work towards a more sustainable future. Extra wide and deep steel safety toe Comfort PU midsole PORON XRD internal metatarsal protection Unique achilles flex panel for ankle flex Anti-Static protection 300 Heat Resistant Durable Rubber Outsole TPU toe protector with Kevlar Thread High density eva padding in the heel area Genuine YKK zipper 10 Gauge coil for extreme durability Removable memory foam footbed with PORONin the heel ARZ+ heel pod for shock absorption comfort Certified to AS/NZS 2210.3:2010