Grubs Whirlwind Water-Repellent Leather Dealer Boot The WHIRLWIND™ Boot is the perfect synergy of a stylish work boot that provides comfort and grip. Conforming to the ENISO 20347 standard, this Dealer style boot with a full grain Iberian leather upper has COMFORT™ lining and a GRAVITY+™ sole. UNDERFOOT CHASIS - To give a sure footed platform GRAVITY+™ SOLE - GRAVITY+™ SOLE - Is an acid and oil resistant sole with an ENERGY ZONE heel and METPAD™ ball to absorb shock and improve grip. EN ISO 20345 S3-SRB standard. COMFORT+™ LINING - Breathable and hardwearing that wicks moisture away from the wearer’s foot. Also fungus and rot proof. WEIGHT: 900g COMFORT RATING - +25°C TO 0°C. FEATURES COMFORT: Double-sided side gore. Underfoot the 4mm COMFORT™ foot bed provides ultra-soft cushioning for an athletic shoe feel. GRAVITY+™ sole with ENERGY ZONE™ heel. METPAD™ Urethane shock pad under the ball of the foot COMFORT™ lining is breathable and hardwearing, wick moister away from the wearer’s foot to prevent a sweaty and uncomfortable feel. It is fungus and rot proof. WARM: COMFORT™, lining is moisture wicking and breathability 0ºc to +25ºc. The 4mm COMFORT™ foot bed has a million microscopic nitrogen bubbles that insulate the wearer from cold surfaces. WATER repellent: The upper is OIL treated to be water repellent. V-cut Double seam vamp construction. GRIP: UNDERFOOT CHASSIS™ of our boots to give a sure footed platform New GRAVITY+™ outsole has an ENERGY ZONE™ heel and METPAD™ ball to absorb shock and improve grip.