CIRRUS Cirrus Premium Safety Eyewear Color:Matte Black Smoke increased abrasion resistance and added Rain trough on sides increased abrasion resistance and added durability in a high wear area Cotton foam lining gives welders additional heat protection but still absorbs moisture One piece back for extended glove life Wing thumb increases comfort in open handed work Radians SV59 1 Type O Class 1 Heavy Duty Surveyor Safety Vest is a heavy duty contractor Surveyor’s vest with large back “plan” pocket while the sleek one piece lens design provides an unobstructed full field of vision the Crossfire Cirrus transitions easily from work environments to recreation