MRC:
Those unusual or unique characteristics or qualities of an item not covered in the other requirements and which are determined to be essential for identification.FEAT
Special Features:
The 3mm thick, optical grade polycarbonate lenses shield eyes from unexpected fragments and offer 100 percent protection from uv-a, uv-b and uv-c rays; certified to ansi z87.1 and military requirement (mil-v-43511c clause 3.5.10 and mil-prf-31013 clause 3.5.1.1) ; specially designed threee tiered anti-fog system ensures clear, fog-free vision; all-round venting maximizes airflow while filtration media prevents small particle entry; weight: 4 ounces; color: black