Developed with input from leading oil and gas companies, we spent two years developing Defiant. The result is a lightweight, flexible design with high levels of comfort and protection. It also includes a specially developed sole to give outstanding slip resistance on scaffold boards, Kennedy grating and other surfaces.The innovative IGS rubber sole unit ensures superb grip on all surfaces and increased cushioning underfoot. EN ISO 20345:2011 S3 SRC We recommend that you use the V12 Measure before you order your footwear, You can find it in the Technical Information below. Composite Toe Cap Composite Midsole Anti-Static Zip Side Heat Resistant Sole
