Rocky work boots built to outlast, outperform, and flat out impress These premium 8'' lace-up work boots from Rocky sport full grain leather uppers bolstered by waterproof construction. Rocky waterproof construction combines a waterproof inner layer with a waterproof leather upper. The waterproof layer covers the entire length and height of the boot, ensuring complete waterproof work boot protection. Ironclad technology assures all-day working comfort, maximum support, and extended durability. Material: Leather.