U-Power Calgary UK S3 SRC Water-Resistant Composite Safety Work Boot Boots safety shoes, totally "metal free", u power comfortable and light of the" Rock & Roll" line, water repellent pull-up leather upper, reinforced polyurethane cover-toe, inserts in breathable mesh, tip AirToe Composite, antiperforation, anti-slip and PU / PU sole, S3 SRC UPPER Pull-up water resistant leather with Polyurethane scuff LINING WingTex air tunnel textile lining material SAFETY TOE CAP AirToe Composite perforated safety toe cap with breathable membrane PIERCE-RESISTANCE Save & Flex PLUS FOOTBED Action Dry anatomic, breathable footbed, in EVA support with textile material INTERSOLE Soft P.U. comfort inner layer SOLE Antislip, antistatic and hard wearing P.U. FIT Natural Comfort 11 Mondopoint