These Sauvie II boots were designed for all-day doing on the farm or in your own backyard. In addition to being 100% waterproof, they also have BOGS&'; Rebound Cushioning technology and Bloom Algae footbeds which makes a day of hard work feel almost like a spa day for your feet Features 100% Waterproof Rebound cushioning provides all-day comfort and energy return BLOOM eco-friendly, algae-based EVA footbed that helps clean polluted water habitats. Constructed with 3mm Neo-Tech waterproof insulation BioGrip slip-resistant outsole DuraFresh natural bio-technology activates to fight odors BOGS Max-Wick evaporates sweat to keep feet dry Shank in outsole for stability and support Specs based on Women&';s Size 7 Specs SKU #:73140-001 Weight:2.2 lbs (pair) Height:7.25" Calf Circumference:12.75"