Ariat Mens Groundbreaker XTR Chelsea Boots Dark Brown. Work in comfort with the Ariat Mens Groundbreaker XTR Chelsea Boots. Built with comfort and practicality in mind, the Groundbreaker XTR Chelsea Boots is compliant with the EN ISO 20345 safety standard, making them perfect for around the yard, on the farm or even in construction or warehouse work. With added steel toe caps, the Groundbreaker XTR Chelsea Boots features a heat resistant outer sole with added sole penetration resistance, anti-static and SRC Slip Resistance properties to ensure maximum safety. With a removable cushioned insole, the Groundbreaker XTR Chelsea Boots is complete with durable oil and slip resistance Duratreadâ ¢ sole and protective ExGuardsâ ¢ on the toe and heel. Key Features: Click the technologies below to find out more: 4LR: Provides outstanding support and co