Our popular split leg Interlock Apron, our strongest Tuff-N-Lite® material has elastic straps behind the knee with hook and loop fasteners for ease of movement and to hold its position. This apron can withstand severe mechancial wear and abrasion. It is reinforced to protect the lower body and groin area rom injury. The interlock apron is a high cut level 5 on the ASTM-1790 scale, this apron is constructed with one of the strongest knit materials known to man. An easy Velcro™ pull away safety strap at the left hip assists in quick removal of apron in an emergency.