Women's Rocky Grindstone XTR 6" Comp Toe Women's Work Shoes Designed with the same durability as the core Grindstone line, this work boot delivers waterproof protection with a secure, adjustable fit. Flex-welt construction supports long-term wear, while memory foam cushioning enhances comfort. The chemical-resistant outsole provides reliable traction. Finished with the BOA® Fit System for quick adjustments.