MACK Octane Zip Side Work Boot - Black Size:6.5 AU/UK There's even patent-pending stain block

There's even patent-pending stain block tech that prevents sweat staining on the cap's crown

Soft full grain Leather

Curved waistband for a better fit and to prevent gaping at the back

Double layer pocket bags

MACK Octane Zip Side Work Boot - Black Size:6.5 AU/UK There's even patent-pending stain blockMACK OCTANE ZIP SIDE WORK BOOT The Mack Octane boot has a combination of electrical hazard certification and the performance features of the ADAPT Range. Making the Octane Zip ideal for electricians and construction workers that work on uneven surfaces and can be exposed to electric currents. Zip closure provides easy access and a quick exit in emergencies. The Techie Stuff: Composite toe cap. Slip resistant. 300c heat resistant nitrile rubber sole.