These protective shoes are made with low-generation material to prevent static electricity. Dimensions: 11.0 inches (28.0 cm); Foot Width: EEE / Equivalent to JIST 8101S Type; Equivalent to ISO Class 5 - 6 (Fed/STD Class 100 - 1000); Electrical Resistance: 0.4 x 3.9 inches (1.0 x 10 mm); Pressure Resistance Load: 10 kN; Country of Origin: Japan. Weight: 1020 G.