1. Steel Toe Cap
<br />Made of European Union Standard AN1 Level steel , protect toes from rolling injury up to 1.5 Tons and impact (up to 200 Joules)
<br />2. Steel Mid-sole 
<br />Made of Anti-Puncture Steel Pad, protect feet from puncture injury up to1100 Newtons
<br />3. Rubber Outsole
<br />Made of Rubber, with Specially Designed Pattern for slip resistance
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<br />Quarterback Size Table:
<br />Foot Length 23.6~24.0cm = US 6.5  =EU/CN 38
<br />Foot Length 24.1~24.5cm = US 7     =EU/CN 39
<br />Foot Length 24.6~25.0cm = US 7.5  =EU/CN 40
<br />Foot Length 25.1~25.5cm = US 8     =EU/CN 41
<br />Foot Length 25.6~26.0cm = US 9     =EU/CN 42
<br />Foot Length 26.1~26.5cm = US 9.5  =EU/CN 43
<br />Foot Length 26.6~27.0cm = US 10   =EU/CN 44
<br />Foot Length 27.1~27.5cm = US 10.5=EU/CN 45
<br />Foot Length 27.6~28.0cm = US 11   =EU/CN 46
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<br />Important Notice: 
<br />1.Please read our Size Table carefully, and choose size according to your Feet Length (heel to toe in CM) !!!  
<br />2.If your feet is thick and wide, please choose one size bigger.