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Grubs Women's Frostine 5.0 Boots

Regular price
£91.90
Regular price
£94.95
Sale price
£91.90
Color: Blue
Size: 3
Details
  • Brand: Grubs
  • Type: Women's Wellington Boots
  • Availability: In Stock
Description

FRONTLINE 5.0™ is 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 insulate the wearer from cold surfaces.

UNDERFOOT CHASSIS™ - give 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.

 


 


INSU-FOAM ULTRA™

Most GRUBS® Rubber footwear uses our self-insulating INSU-FOAM ULTRA™bootie construction which acts as a neutral medium between the wearer and the outside.  The bootie is both waterproof and insulating and exceeds the long-term effectiveness of waterproof membranes and lofted insulations. Our boots are waterproof to EN ISO 20344: 2004 5.7 standard.

We 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% versus 20-25% for other neoprene boots, and 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. 

 


5.0 TECHNOLOGY™

The Bootie is lined with moisture-wicking SUPER-DRI™ terry knit, which keeps the wearer dry and has a super 100% stretch to fit most calves. As INSU-FOAM ULTRA™ is a temperature-neutral material it will keep the wearers foot comfortable in a range of 85ºF to sub-zero for a prolonged period.

 


TRAX™ Sole

TRAX™ Sole, (DURAPRENE™rubber) outsole with HEXZORB™, which gives superior grip on a variety of surfaces, the tread is designed to work with the action of the foot into zones for Grip, Traction, Stability, and breaking.

Grubs Women's Frostine 5.0

 


SIZING: boot height and calve widths:

UK SIZE

BOOT HEIGHT

(mm on leg)

CALVE WIDTH

(circumference in mm)

UK3 370mm 400mm
UK4 370mm 400mm
UK5 375mm 410mm
UK6 380mm 410mm
UK7 385mm 420mm
UK8 390mm

420mm

Please note that our Wellington Boots have a 15mm allowance for wool blend/combination socks.

With this in mind, we would recommend purchasing the same size you are in your everyday comfortable footwear.

For half-sizing due to the allowance, we would recommend sizing down.

 

 


 

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