The 100% waterproof Flower Dot has a durable hand-lasted rubber over a four-way stretch inner bootie; easy pull-on handles; 7mm Bogs Neo-TechTM insulation; Bogs Max-WickTM moisture-wicking lining to stay dry and comfortable; a non-marking and self-cleaning outsole; and DuraFresh anti-odor odor protection insole. Comfort rated from temperate to -40° F.