Reebok Speed ESD S3 wide fit composite toe/midsole safety work trainer R4450Reebok R4450 S3S SR Composite Speed TR Black Safety Trainer. Metasplit Flex Grooves and RopePro traction on the rubber outsole allow for the versatile all directional movement while the low profile platform frees up range of motion and quick transitions. The TPU Stability Zone gives plenty of stability and support. Dual Density rubber outsole with RopePro Traction. Fuel and Oil resistant. SRC slip resistance. 80C temperature resistant. MetaSplit Flex