When you need lightweight work sneakers, the Radius from Timberland PRO may be your go-to option. Combining a composite toe, anti-fatigue technology, and new FLEX technology, these breathable sneakers are great for all-day wear. Radius Sneaker, Model A27X5 Color: Black with Hi-Viz Asymmetrical composite safety toe that meets all OSHA ASTM F2413 Standards (C/75, I/75 and EH Rated) Completely metal free design Timberland PRO Flex Technology outsole featuring anatomically positioned flex grooves Lightweight Hover-Spring foam midsole provides underfoot comfort and durability Anti-Fatigue Technology polyurethane footbed for shock absorption and energy return Breathable, durable mesh upper with abrasion-resistant reinforcements Breathable moisture wicking liner with anti-microbial treatment for odor control Cement construction for flexibility