V12 Bison IGS VR600.01 Metal Free Safety Boot. Constructed from a polished full grain leather upper the new and improved Bison has a cut away scoop collar for easy foot access and comfort. Lightweight metal-free and with non-snagging eyelets the Bison is created on a new last and has an improved shock absorbing footbed. The innovative IGS rubber sole unit ensures superb grip on all surfaces and increased cushioning underfoot.FeaturesModel: Bison VR600.01BISON IGS VR600.01 - Black Derby BootFull grain leather upperCut away scoop collarLightweight metal free constructionInnovative IGS rubber soleEN ISO 20345:2011S3 HRO SRC