GRUMMAN safety half boots. - upper of the shoe made of innovative and extremely durable fabric: abrasion and tear resistant, water repellent and breathable - extremely soft and comfortable insole made of polyurethane with very low density - in addition, the insole is self-forming, ensuring proper distribution of body weight and an immediate feeling of comfort. High cushioning is provided by a very resilient material and excellent cushioning in the middle part of the heel - sole made of polyurethane/TPU - inner lining made of 100% SANY-DRY polyester fabric, three-dimensional, breathable, moisture absorbing and wicking, abrasion resistant - aluminum toecap capable of withstanding impact with an energy of 200 J and crushing up to 15 kN - category S3 L FO SR - comply with EN20345 and EN20344 standards