JALAS® 1378 Heavy Duty safety boots with composite toe cap and steel spike protection - S3 approved. Both string at the front and zipper on the inside. polyurethane-treated leather upper lined with Polyester fur, Thinsulate ™ and with polyurethane midsole and heat- and oil-resistant rubber outsole. _x000D_
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ProNose of polyurethane for extra durability. The insole is an FX2 Winter which is made of textile, aluminium foil, soft EVA, electrically conductive polyester thread, merino wool, double shock-absorbing zones of Poron® XRD®._x000D_
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Approved according to EN ISO 20345: 2011, S3 SRC CI HRO.