I recently bought a pair of future sound lab zero
headphones (also for use at the gym) and am quite satisfied with them. Very comfortable and great sound quality.
Only annoyance is the non-standard charging plug. Would've been better if they'd used a mini or micro usb port.
Samsung Galaxy S3 LTE (i747)- Rooted, stock firmware
HTC Incredible S - S-off (rev hboot) - returned to stock ROM and handed down.
HTC Wildfire S - BL unlocked, unbranded, gathering dust.
Archos 32 - SDE flashed, rooted, gathering dust.