Semi-rigid, one-piece insole with specially designed honeycomb structure, breathable, quick-drying , anatomically shaped, shock absorber in the heel area , anti-static.Usable with: 534009 Safety low shoes S1P PUMA Blaze Knit Low534030 Safety low shoe S1P PUMA Elevate Knit Green Low534031 Safety low shoe S1P PUMA Elevate Knit Black Low534032 Safety low shoe S1P PUMA Fuse Motion 2.0 Red Low534277 Safety low shoe S3 PUMA Velocity 2.0 Black Low534278 Safety low shoe S1P PUMA Velocity 2.0 Blue Low534303 Safety low shoes S3 PUMA SRC Amsterdam Low534308 Safety shoes S3 PUMA HRO SRC Borneo Black Mid534372 Safety low shoe S1P PUMA Celerity Knit Blue Wns Low, women's model534373 Safety low shoe S1 PUMA Celerity Knit Pink Wns Low, women's model