When the going gets tough in your workout, you need your jams more than ever to pump you up, inspire you, and get you through that last leg of your race, the last lap of your swim or the last set of your lifts. Comply Foam knows the struggle of earbuds that just won't stay put. The frustration that occurs after you pay a pretty penny for great-sounding earphones, but they can't stay in place during a workout, is truly unacceptable. Comply Foam's Sport Tips are here for workout playlist salvation. Comply Foam's Sport Tips are here for workout playlist salvation. Comply premium memory foam advantages ofer silicone: 100% better grip; 30x softer for a comfortable experience and no ear pain; 2x external dB reduction for enhanced sound at lower volumes. Made in the USA (of U.S. & imported goods). Body-heat activated foam conforms to shape of ear canal for a secure fit. Creates a perfect seal for enhanced sound quality and comfort. Compatibility: Jaybird; Run, X3, X2, BlueBuds X, Freedom 2 and Freedom F5.