Active Birkis Active Tough, durable rubber soles on this sporty clog provide great traction on slippery surfaces and are great for outdoor activities. A cotton-lined, removable cork footbed keeps feet comfortable and can be replaced. Outdoor Clog Birkis Outdoor Clog This clog protects your feet from those wet, messy environments while providing comfort and good arch support. It's lightweight and flexible and easy to clean - just remove the insole and rinse with the hose! Super Birki Clog Birkis Super Birki Clog For those wet, dirty jobs, this style provides long-term comfort because the replaceable cork footbed will mold to your feet over time. This style is roomy, but can accommodate narrower feet by adding Birko-cell foam underneath.