Top features: - Secure fit, adjustable ear loops for tough, sweaty workouts - Sweat-proof and splash-proof so you are never held back - Hands-free microphone to communicate in any situation - Closed dynamic acoustics for big, full sound in your ears Secure fit adjustable ear loops Concentrate on your side planks and headstands without the nuisance of having your earphones fall from your ears. These stylish Sony MDR-AS410AP Headphones are designed to sit comfortably around your ears and stay there so that your concentration is never interrupted. Sweat and splash proof Get your exercise in on those drizzly mornings. Providing crystal-clear sound, the MDRAS410 Headphones are resistant to sweat and rain so that no matter the weather, you have pumping music to keep you motivated. Hands-free microphone Even in the middle of an exercise, the Sony AS410's built-in, hands-free microphone and remote lets you handle important calls without interrupting your workout.Closed dynamic acousticsLose yourself in the music while training with the MDR-AS410AP's closed acoustic system, which immerses you fully into sound and movement thanks to crisp treble and deep bass.