Safety shoes U-Power from the Red 360 line, in water-repellent natural tumbled nubuck upper leather, collar with Lycra® fiber fabric and anti-shock heel. Aluminum toe cap, anti-puncture, anti-slip and PU/PU Infinergy sole, S3 SRC CI ESD. Wingtex® breathable air tunnel lining, WOW insole cover. Soft PU foam and Infinergy midsole®.