Safety Boots PPE Steel Toe Work Anti-Smash No LacesSafety boots with one hand twist tighten no tie laces. Put them on fast. Smash proof and puncture resistant. Double safety: reflective strips for night work. PPE safety: Steel capped toes, waterproof and oil proof. Measure your heel to toe length: If your size falls between two sizes, order the larger size. If your feet are wide or thick, please choose one size bigger. Australia UK International US Foot length (cm) 5 37 5. 5 23. 5 5. 5 38 6 24 6 39 6.