Ariat Mens Grounderbreaker H20 Boots Brown. Keep your feet protected and comfortable in the sturdy and durable Ariat Mens Grounderbreaker H20 Boots. Key Features: The Groundbreaker boots offer 6 shaft height and conform to ISO20345 Safety Footwear Standards. S3 SRC Safety Rating Steel toe protection tested to 200 Joules Impact Safety footwear leather upper plus antistatic and energy absorbing heels Penetration resistant soles Heat resistant outsoles, resistant to heat up to 300 degrees Oil and slip-resisting Duratread outsole to provide maximum wear resistance Tested on ceramic tile floors with SLS and on steel floor with glycerol Waterproof Proâ ¢ Technology 4LRâ ¢ technology offering support and cushioning for everyday, all-day-long wear.