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Grubs Boots Frostline Wellington Boots Green
Grubs Boots Frostline Wellington Boots. Frostline wellies are insulated and waterproof, with excellent grip, made for all day comfort.
5MM INSU-FOAM ULTRA™ - gives all round foot comfort and insulation.
6mm NITROCELL™ footbed - provides a soft cushioning for an athletic shoe feel. A million microscopic nitrogen bubbles that insulate the wearer from cold surfaces.
UNDERFOOT CHASSIS™ - gives a sure footed platform.
HEXZORB™technology - absorbs heel strike shock for daylong comfort.
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.
TRAX™ 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.
Grubs use a super stretch Chloroprene material commonly used in Deep sea dry suits, this material has a 300% stretch and is covered with a 4 way stretch knitted nylon jersey which as suggested can expand not only in width but also height. This super stretch means the bootie can stretch up to 150% as a laminate with our SUPER-DRI™, moisture wicking terry knit lining. INSU-FOAM ULTRA™has a fine micro cellular structure, which stops heat transfer through its structure. The microscopic bubbles of air are so small that it is waterproof even in 3.5mm thickness.
INSU-FOAM ULTRA™is super soft and super bouncy, it has a compression set of less than 7% verses 20-25% for other neoprene boots, they remain soft and comfortable for much longer than our competitors. Other manufacturers use Styrene Butadiene Rubber, SBR, foams that are stiffer and harden over time, SBR also has a larger and more irregular bubble structure, boots made of this material are harder, making them uncomfortable and prone to leak through the bootie.
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