3M™ SecureFit™ Safety Glasses 500 Series feature a stylish lens shape with side arms that automatically adjust to provide a secure and comfortable fit; Adjustable ratchet side arms offer even greater customization by allowing the wearer to adjust the lens to their facial features and eyewear position; Eyewear pairs well with hearing protection; 3M™ Scotchgard™ Anti-Fog Coating provides excellent anti-fog and anti-scratch properties (available on select models); UV protection; Weighs just 22g