This safety trainer offers a recycled knitted upper, made from recycled PET bottles. Designed for maximum safety, comfort and performance, the lightweight stylish construction features a super comfort gel footbed. Gel cushioned footbed Contemporary knitted upper, specially developed to increase comfort and lightweight properties Padded collar for added comfort Back pull-tab for ease of getting onto the foot 3D breathable mesh lining 100% Metal Free Composite toe cap Pierce resistant composite midsole Anti-static footwear Energy absorbing seat region Fuel and oil resistant outsole SRC - Slip resistant outsole to prevent slips and trips on ceramic and steel surfaces Dual density sole unit Metal Detector Friendly: Non-Magnetic – Nickel and Ferrous free UKCA marked CE certified Footwear Size Guide