Temples adjust to four different lengths. 9.75 base curved lens provides full side protection without distracting seams or traditional type side shields. Nose buds secure the glass and prevent slipping. Scratch resistant polycarbonate lens provides 99% UVA/B/C protection. Passes MIL-PRF 32432 High Velocity Impact Standards. Exceeds CSA Z94.3 standards. CE EN166 Certified.