I cannot speak highly enough about the Jabra Elite Active 65t wireless earbuds. It took some time and a lot of returns before I finally settled on these completely cord-free earbuds. I'm using my pair for running, lifting, biking, hiking, and commuting.

-Long-lasting battery
-Small, sleek, and unobtrusive
-The left earbud allows you to skip and repeat tracks

-Less noticeable - Some of the big names like Apple, Beats, and Bose protrude out of the ear quite a bit
-Travel - The buds tuck into a sleek charging case

Fit and Comfort
-Extremely comfortable - The buds don't hurt your ear after extended use while running, lifting, biking, hiking, and commuting
-Secure fit - Comes with various silicone gels to tailor the fit. The buds tend to pop out if they aren't put in properly or if you're workout involves constant aggressive/un-orthodox movement (may cause issues for the cross-fitters out there)

-A built-in accelerometer makes it a capable fitness tracker - Open the Jabra Sound+ app, tap Active and start a run to track your miles. If you use Active mode, Jabra's HearThrough feature automatically turns on to allow in ambient noise

-HearThrough is a safety feature that allows you to listen to music and still hear your surroundings (You would want to have while running or biking along busy streets)
-Offers EQ presets in the app so you can customize the sound to your liking

-The Jabra Elite Active 65t buds last 15 hours on a charge (5 hours on their own and then an additional 10 hours if they are charged up in between workouts). You can rack up weeks of consistent use without a charge if you're not using them daily. If you run low on battery, I noticed you can charge them in the case for 15-20 minutes and that will get you back to a full charge

-The Jabra's Elite Active 65t is a spendy purchase, just under $200
-Some alternative wireless Bluetooth earbuds are less expensive, but there are drawbacks. Apple's AirPods aren't sweat-resistant for workouts ($160) and Bose but don't fit as well ($170)

If you want to cut the cord, Jabra's Elite Active 65t is the answer. Get them here.