Biomechanically optimised uvex bionomx design High energy return uvex i-PUREnrj cushioning system Extremely breathable uvex climazone upper Multiple widths available in core sizes Lightweight & insulative composite safety toecap Airport friendly 300°C heat resistant outsole Electrically resistant (EH) uvex x-flow safety footwear range built to exceed expectations The full leather upper and heat resistant sole makes uvex 3 x-flow ideal for workers in heavy application areas that may be exposed to hot material. Electrical insulating sole and metal-free design make it well suited to workers in construction and other industries that could have accidental contact with electricity. The sole is engineered to perform on smooth and rough surfaces alike. General features Lightweight 150mm (6') high laceup safety boot Water-resistant leather upper Airport friendly uvex x-flow range footbed is made from 87% recycled production waste foam and the top cover fabric is made from 100% recycled PET plastic Certified to accommodate the uvex tuneup 2.0 foot-type specific footbed system uvex x-flow range have a seam free scuff cap and heel counter for durability Safety features Electrically resistant (EH) Lightweight & insulative composite safety toecap 300°C heat resistant outsole Slip resistant (SRC) Fuel oil resistant Seam free scuff cap and heel counter for durability Water resistant leather upper Metal free design Comfort features High energy return uvex i-PUREnrj cushioning system designed to minimise worker fatigue compared to traditional polyurethane foam cushioning. uvex bionomx uses biomechanics in design to harmonise the interaction of footwear with the ground and the body so that it performs as one system. uvex climazone optimises breathability and internal air flow. uvex multiple-fit system offers multiple widths in the same length in core sizes. uvex x-flow range is certified to accommodate the uvex tune up foot-type specific footbed system Applications Heavy application areas. Work that involves external influences that place extensive demands on the footwear durability and stability. They are usually found in mining, construction, heavy mechanical engineering and civil engineering. Versions available: 6540837: Size 37, Width 11 (standard width) 6540838: Size 38, Width 11 (standard width) 6540839: Size 39, Width 11 (standard width) 6540840: Size 40, Width 11 (standard width) 6540841: Size 41, Width 11 (standard width) 6540842: Size 42, Width 11 (standard width) 6540843: Size 43, Width 11 (standard width) 6540844: Size 44, Width 11 (standard width) 6540845: Size 45, Width 11 (standard width) 6540846: Size 46, Width 11 (standard width) 6540847: Size 47, Width 11 (standard width) 6540848: Size 48, Width 11 (standard width) 6540041: Size 41, Width 14 (extra wide) 6540042: Size 42, Width 14 (extra wide) 6540043: Size 43, Width 14 (extra wide) 6540044: Size 44, Width 14 (extra wide) 6540045: Size 45, Width 14 (extra wide) uvex 3 X-Flow Work Boot Black 65408