a: Steel toe: impact-proof
b: Inner steel sole: impact-proof
c: Machine sewing lining:
strong and comfortable
d: Rubber/oxford sole:
wearable and well bended
e: Water proof
f: Non skid
g: Oil resistance
h: Acid & Alkali resistance
i: Heat resistance
j: Anti-shock
k: Anti-static
Size: #6-#15 #37-#46