Safety Highlights: CSA Grade 1 Steel toe protectionStatic Dissipative +Natural rubber outsole that is oil and acid resistantNon-marking soleSlip Resisting outsole Comfort fit We often hear it said that Mellow Walk safety shoes are more comfortable than street shoes. It's all part of our commitment to ensuring that every pair we make fits right out of the box. Made in Canada Master shoemakers since 1993. We believe manufacturing in Canada allows us to create better fitting, and better quality, safety shoes. Slip Resisting Rubber outsoles provide natural resistance to slips and falls. The sole is also resistant to oil and acids used in the workplace. SD+ SD+ footwear protects and dissipates static charge even under 35 mega ohms. Mellow Walk's Jessica also has a grade 1 steel toe tested to 125 joules of energy. Jessica SD+ Collection