Women's CSA Approved Safety Boots - Waterproof PU Steel Toe Rubber Boots ASTM F2413-18 Acid & Oil Resistant-Pink Size（In between sizes? We recommend you size down）:9 These insoles are not just

These insoles are not just about comfort—they’re packed with advanced features for ultimate foot health

ensuring resistance to many corrosive applications

First Layer Natural Cow Leather Upper: The natural cow leather upper is wear-resistant and breathable

PU material can be bent 50000 times at minus 40 degrees in the test without breaking

Women's CSA Approved Safety Boots - Waterproof PU Steel Toe Rubber Boots ASTM F2413-18 Acid & Oil Resistant-Pink Size（In between sizes? We recommend you size down）:9 These insoles are not justPFAS free, made with eco friendly PU material. Keep soft and no cracking at minus 40 degrees Celsius. PVC free, one piece PU injection molding to enhance breathability and softness. PU + RB outsole to improve slip resistance. Ergonomically designed PU insole ensures wearing comfort. Safety Protection: Designed with a steel toe cap to provide reliable protection against heavy objects and compression, meet ASTM F2413 18 standards, as well as the CSA