Frank low safety shoe No. 42Super-lightweight safety shoes ideal for spring and summer, in protection class S1P SR ESCDC Footwear with ultra-breathable Nylon upper and innovative film, breathable air tunnel Wingtex liningAirtoe® Aluminium toe cap, innovative ultra-lightweight anti-puncture textile insole and PU compound tread that is anti-abrasion, anti-oil, anti-slip and anti-static.Breathability and comfort thanks to the antibacterial, anatomical and super-breathable U-Power Original insole and WingTex air tunnel lining.