Grubs Tideline 4.0

4MM INSU-FOAM ULTRA™ - gives all round foot comfort and insulation.   5mm POLYOU™ footbed -  provides a soft cushioning for an athletic shoe feel. A million microscopic nitrogen bubbles that insulate the wearer from cold surfaces. UNDERFOOT CHASSIS™ - give a sure footed platform SUPERLITE® technology - makes this boot 30% lighter than conventional rubber boots, buoyant and extremely comfortable thanks to its' moulded shape. SUPERDRI™ 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. TRAIL-GRIP™ 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.