Breathable sports boot with side zipper. Cushions your steps Width can be modified with Haix's Insole Perfectfit Light (sold separately) Completely metal free Optimum foot guidance and fit Good foot guidance with optimised cushioning of the tread Certification: CE EN ISO 20347:2012 O2 HRO HI CI FO SRC Puncture protection: no Upper material: Microfibre/textile Height in cm: 18,5 cm Electrically dissipative: no Waterproof: not waterproof Safety toe: no Certified for orthopedic insoles: yes Safety classification: O2 Cut protection class: no cut protection Fastener: 2 zone lacing, zipper Weight: 600 Gram Haix uses UK sizes in their shoes and translates them to EU sizes in a slightly unusual way, using plain flat sizes as euro sizes in both shoes and shoe boxes. So, for example, UK 5 and UK 5.5 shoes both say EU 39, even though UK 5.5 corresponds to EU 39.5. Applies to all Haix shoes and all half EU sizes.