Smooth coated action leather is lined throughout the Maverick with 3M Thinsulate, designed to keep feet warm even in the coldest conditions security and uniformed roles face outdoors. The dual density PU rubber sole is anti-static, resistant to oils and fuels, and includes an energy absorbing heel, while the overall build stays lightweight despite the insulation. Grafters is explicit that this is a non-safety boot rather than a certified safety boot, positioning it instead for security workers, cadets, uniformed staff, armed forces and police who need warmth and durability over toe protection. Fully lined with 3M Thinsulate for cold conditions Anti-static sole resistant to oils and fuels Lightweight despite full thermal insulation Composition: Fastening: Lace Up Upper Material: Coated / Leather Lining: Textile Sole: Other Safety Standard: None