Bogs Neo - Classic Tall Adjustable Calf - Women's Boots : Black : Stay sleek and comfortable, wearing the Bogs Neo - Classic Tall Adjustable Calf. ; 100% Waterproof. ; Constructed with 5mm Neo-Tech waterproof insulation. ; Made with seamless construction - 30% lighter and more durable. ; Boot shaft easily adjusts to fit different size calves. ; Slip on style for easy on and off. ; DuraFresh natural bio-technology activates to fight odors. ; Rebound cushioning provides all day comfort and energy return. ; Flexible rubber traction outsole. ; Textile and synthetic upper. ; BLOOM algea-based EVA footbed that helps clean polluted water habits. ; BioGrip slip resistant outsole. ; Imported. Measurements: ; Weight: 1 lb 12 oz ; Circumference: 15 in ; Shaft: 12 1 4 in ; Product measurements were taken using size 9, width B - Medium. Please note that measurements may vary by size. | Bogs Neo - Classic Tall Adjustable Calf Women's Boots Black : 6 B - Medium, Fabric/Manmade