Grubs Frostline 5.0™Wellington Boot  is a high quality, hand finished, neoprene insulated wellington boot with a reinforced Toe and heel. These Frostline 5.0™are high performance boots that are ideal for trekking the hills or simply walking the dog.
 
The upper boot uses the Insu-foam Ultra ™ lined with a highly effective moisture wicking lining which keeps your feet warm and dry in a range of -10°C to 30°C. These boots are designed using the latest technology and are finished off with a 2mm tough natural rubber outer layer for superb protection from the undergrowth.
 
These boots are designed to stretch 100% so they can offer you a perfect fit around the calves as well as keeping your feet very warm.
FROSTLINE 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 that 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.