The Konik 3.0 delivers next-generation safety and comfort, pairing revolutionary CushionCore 3.0 technology with John Bull's most advanced protection features. Men's UK sizing Revolutionary world-first CushionCore 3.0 comfort technology combines two compounds of PU injected into the midsole providing superior shock absorption at the heel while also providing rebound at the forefront as you step Nitrile Rubber outsole with aggressive self-clearing tread pattern providing superior grip, stability and abrasion resistance. Rubber outsole increases cut and slip resistance and is resistant to hydrolysis and microbial attack Super cushioning Comf2Bull Quad-Max footbed made of a soft PU with a cushioning heel that’s also antibacterial and washable Stone Nubuck water-resistant Bullhide leather Coolmax® lining fabric helps transport moisture away from your foot, through the fabric, where it can evaporate quickly Broad fitting 200 joule impact resistant Type 1 steel toe cap Non-metallic penetration-resistant insole which resists penetration even by small diameter nails and other objects Tough Coil Zip and zip gusset to help stop water, dust and mud entering the boot Heavy duty TPU toe guard for extra scuff protection Scratch-guard heel for added durability and extra reinforcement