V12 Footwear Avenger IGS S3 HRO SRC Zip Side Hi-Leg BootVR620. 01 Avenger is a strong and resilient hi leg boot. A zip side allows the wearer to get the boot off and on quickly, while its non snagging lace system provides excellent ankle support as well as a fully adjustable fit. For those working on slippery man made surfaces, the Avenger keeps the wearer stable and slip free with the superb grip of the IGS sole unit, while its lightweight composite toecap and midsole reduces foot fatigue and increases