Helly Hansen Chelsea Welted HT WW Safety Boot S3 are a high performance winter product certified for cold insulation and loaded with practical features. Conforming to EN ISO 20345, S3 they are manufactured with a waxy cow leather upper, and are equipped with a Hellytech performance waterproof and breathable membrane for dryness and comfort. The sturdy Hellywear protective scuff resistant counter and toe reinforcement gives the safety boots additional rigidity and improves their overall lifespan. These boots have an oil resistant, SRA slip resistant rubber outsole with a good year welted construction and energy absorbing heels for optimal comfort and protection. Inside they combine Lenzi L-protection composite midsoles and toe protection to ensure feet stay well protected from punctures and dropped objects.