Kids Grubs Boots: Childrens Grubs Outdoor Boots. The kids' pull on outdoor MUDDIES ICICLE 5.0 boots from Grubs will protect their feet while they are out having great adventures. These round toe boots are calf length and have an easy kick rim for hands free removal. They have a rubber hard wearing, quality rubber garden outsole. The 5MM INSU-FOAM ULTRA NEOPRENE WITH ANKLE HEIGHT RUBBER gives the foot comfort and insulation. The UNDERFOOT CHASSIS give a sure footed platform. Comfort rating -20ºc to +20ºc. Care instructions: Hosing down your boots after each use and once a month wash off excess dirt with just water, for a deep clean use water with a mild soap. Gently scrub with a soft bristle brush until your boots are clean, then leave the boots to air dry naturally (not on a direct heat source). Once dry, apply a rubber conditioner or natural oil to replace the lost plasticizing agents in the rubber areas of the boot (especially flex points toe and ankle).ICE-4042C