For outdoor lovers the winter can be a challenging time as mud snow and rain bombard us while the temperature rapidly drops. Fortunately these Muck Boots carry a warm fleece lining that is designed to keep your feet toasty even if the temperature drops to -40 celsius! Their lightweight design means they won't unnecessarily overencumber you and a dual density footbed ensures that your feet are supported and comfortable., Lightweight wellies., Dual density EVA foot-bed., Womens last.