I didn't own the true OG Oscillates but I do own the 2003 clay-soled pair, the 2015 OG retro, and the newest Jumpsmash. The 2003 I needed a 12.5 rather than my usual 12. The 2015 release and Jumpsmash are both TTS. Keep in mind the newest take on the Oscillate has a neoprene bootie, so it...