100% Waterproof up to gaiter collar Lightweight rubber upper easily folds to transform into 3 different comfortable heights MuckSTOP gaiter collar with Loc-Tite closure creates a custom fit Guarden rubber toe and heel for durability and extended wear Dual density comfort footbed with memory foam for long lasting cushioning bioDEWIX™ antimicrobial footbed insert topcover NZYM™ for odor control and moisture management Durable rubber outsole with self-cleaning multi-surface traction Includes MuckTuck nylon bag for packability Estimated boot height 42cm/ 16.5in Estimated max calf circumference 47cm/ 18.5in Comfort Range: Sub Freezing to 65°F / 18°C Easy-to-Fold Rubber Upper Enables Multiple Shaft Height Options Comes with a MuckTuck Nylon Bag for Storage and Packability Unisex sizing: Built on a Men's Last - Women size down one size Ex. Women's size 7 = Men's size 6