Mosstek Bands Compatible with Fitbit Alta/Alta HR/Fitbit Ace, 2 Pack Breathable Silicone Replacement Sport Wristbands with Air Holes Compatible Fitbit Alta/Alta HR/Ace Women Men

First, I will say that the colored circles do look really cool and it fits my Fitbit Alta HR perfectly. The problem is the functionality, especially as a sport band. The loop that holds the end of the strap (called a 'keeper' according to google) is smooth on the inside; there is nothing to stay in place. My other Fitbit bands have a nub that fits in the holes so it doesn't slide off. And that is what happens: as I do my routine the loop wriggles down and the tail of the band gets loose and catches on my clothing. The second issue is that the cool little circles make an impression on your skin (but that would happen with any cutout design). If you are also sweating the raised impressions can get irritated. Speaking of irritation, the third issue for me was that the buckle is unpainted metal and it caused my skin blister after wearing the band all day. Full discloser: I have very sensitive skin, especially to metals. So if you are like me, you will want to coat the buckle with clear nail polish to keep it from making direct contact with your skin.Summary: Looks cool. Fits Fitbit Alta HR. Tail of the band will catch on stuff. You will have little circle impressions on your arm. There is a risk of irritation from the metal buckle. Overall, I feel 'meh' about the purchase. It won't be in my regular rotation of bands, but with some clear nail polish I might wear it occasionally.

they fit nice and tight on the tracker and are very comfortable while wearing.

Perfect fit and easy to change out.

The edge of the band slips out of the loop that holds it often. Very comfortable to wear

Very nice product. Comfortable to wear a lot better quality than the one that comes with the Fitbit Alta HR.

These bands fit the Alta HR as well or maybe better than the OEM band. My original band never really fit flush with the display part of the Alta but these bands do. The perforated design is nicely breathable and also allows the band to stretch and flex a bit more than the original band. For $8, this is a great value.

I’ve been wearing these bands for about 6 months hoping that they would become more flexible with time. It’s not that I dislike them it’s just that they didn’t soften like some others that I’ve used.

Have used these almost daily for 3 months, both for working out and sleeping. I swap my bands a lot and they still attach strongly despite being clipped and unclipped from my Fitbit dozens of times.