3M™ SecureFit™ SF 600 SGAF-EU series safety glasses are semi-framed glasses with 3M™ Pressure Diffusion Temple technology; the glasses have optimal optical performance and a good field of vision; they have two separate lenses and wide temples with a fixed length over the ears for a tight, comfortable fit and firm side protection; Superior Scotchgard Anti-Fog coating (SGAF); wraparound design helps ensure a secure fit and prevents slipping; glasses go well with hearing protectors