Endure is a great option for fitness enthusiasts who prefer a sport earphone that provides behind the ear support. Yurbuds has created these with our patented twist-lock design plus the extra peace of mind offered by the earloops. Just like our personalized enhancers, the earloops are made from a soft, comfortable silicone, so that they never cause discomfort. They are flexible and securely wrap your ears rather than hang heavily.