Description
Frostline 5.0 is insulated and waterproof, with excellent grip specially made for all day comfort. These boots use their self-insulating insu-foam ultra bootie construction to act as a neutral barrier between the wearer and the outside. The boot is both waterproof and insulating beating the long-term effectiveness of waterproof membranes and lofted insulations. Featuring a super stretch Chloroprene material, covered with a 4 way stretch knitted nylon jersey offering maximum expansion in height and width. INSU-FOAM ULTRAhas 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._Grubs boots have a 15mm allowance for a wool blend / thicker sock which also means if you are a half size, it is recommended to size down.· 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 - give a sure-footed platform.· Hexzorb technology - absorbs heel strike shock for daylong comfort. hexagonal shock-absorbing component that dissipates shockwaves travelling up through the wearers leg· 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 -20 degrees Celsius to +20 degrees Celsius· Reinforced toe & heel - to support and protect· Trax outsole - designed for maximum purchase and stability with a prominent heel for downhill braking· Waterproof - EN ISO 20344: 2004 5.7 standard· Fabric Composition: Upper: Rubber 50%, Nylon 50%, Inner: Polyester 100%, Sole: Rubber 100%
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