Grubs Frostline Boots - Black & Green

Description FROSTLINE 5.0â„¢ is insulated and waterproof, with excellent grip, made for all day comfort. 5MM INSU-FOAM ULTRAâ„¢ – gives all round foot comfort and insulation. 6mm NITROCELLâ„¢ footbed –  provides a soft cushioning for an athletic shoe feel. A million microscopic nitrogen bubbles that insulate the wearer from cold surfaces. UNDERFOOT CHASSISâ„¢ – give a sure footed platform. HEXZORBâ„¢technology – absorbs heel strike shock for daylong comfort. SUPERDRIâ„¢ lining – is hard wearing, wicks moister away from the wearer’s foot to prevent a sweaty and uncomfortable feel. It is fungus and rot proof so will not smell like cotton-lined boots. TRAXâ„¢ outsole – superior grip on a variety of surfaces, the tread is designed to work with the action of the foot COMFORT RATING –  -20ºc to 20ºc.