Introducing Blundstone #181 Work & Safety in New Waxy Rustic Black. Packed with safety yet remarkably light on the foot, saving energy and reducing fatigue. One-finger pull-on, easy kick-off, to save time and limit debris spread. And underpinning it all, Blundstone patented Shock Protection System (SPS) disperses shock at heel strike and reduces skeletal stress absorbing up to 90% of the impact as you walk. Blundstone Work & Safety in Waxy Rustic Black just plain works.