Navitas\' LITE Insulated Boots have a mix of superlight EVA and thermal lining which gives you the perfect blend of comfort and warmth. Super-lightweight and sturdy, these EVA rubber wellies (average 350g each) protect against the coldest conditions down to -30°C (unlike standard or even premium wellies) providing full isolation from warm or cold contact surfaces. They float in the water and make for perfect margin wading. They have a useful rear kick-off plate for easy removal without the need to bend down. Super-lightweightAnti-fatigueAverage weight is less than 350g each (compare this to the usual 1,250g welly boot!)Fully Waterproof - made from insulating EVA closed-cell material, non-water-absorbing and moisture-proofRot resistant: Seawater, oil, acid and alkali durable; antibacterial and odourlessNo welts or unnecessary joining to leak.Shockproof: Good flexibility and anti-hardeningHeat preservation: Microscopic closed cell EVA provides excellent heat insulation, anti-cold, non-frosting and insulation capabilities down to -30°C