ASTM Standards Composure Toes Natural Bio-Technology Sturdy work boots for her! These women’s Bogs Shake Mid Boots last for an optimal fit. Lace closure, rebound cushioning in the midsole for all day comfort and energy return. There is a DuraFresh natural bio – technology to fight odors, and these have indoor/outdoor bio grip slip resistant outsole designed with maximum surface area. Questions? Ask below 👇 Make an offer! Ships within 24 hours!