Billie Clog // Sky Blue [Retired]Launched: [Date] Retired: [Date] The Billie Clog shared the same DNA as the classic Bobbi Boot and was designed with all the features customers knew and loved. Perfect for the home and garden, the Billie Clog was a comfortable slip on alternative to the Bobbi Rain Boots. The sole design offered enhanced traction on slippery surfaces, while the neoprene lining added comfort to every step.