With the Grubs Frostline Boot you are purchasing an insulated and water proof Wellington with excellent grips properties, suitable for general use including dog walking, complete with insulation for sustained periods in temperatures down to -10 degrees centigrade.  The Grubs Frostline Boot has a TRAX sole pattern, with small lugs front & rear to provide good 'push off' grip and a prominent heel for 'braking' grip.The foot bed has a 6mm Nitrocell providing both insulation & cushioning, promising you a comfortable and lightweight outdoor boot that you will love. For a more durable and hard wearing boot the foot and lower calf area of this boot have a 2mm thick layer of tough rubber. This rubber layer provides protection against damage by brambles etc.The Grubs Frostine boot is similar to the discontinued Muck Boot Derwent, but comes with the TRAX sole, which is much better than the blown rubber used on the Muck Boot- Field boot- Ideal for work and leisure activities- Insu-foam Ultra technology- Advanced 5.0 thermal engineering- Super-dri lining- Under foot chassis- Nitrocell- TRAX sole- HEXZORB- Duraprene- Comfortable in  temperatures from -10º C to +30º C Grubs Frostline Boots