The strap is not as comfortable as I would like but it works great and stays in my arm, and little bit bulky

The strap on this would not be long enough if you had huge arms, but it does the job and it holds my Galaxy S4 with Otterbox with no problem.

My only complaint about this product that the securing strap is not long enough.

Strap is perfect

Like several other reviewers, I definitely recommend ordering the extension strap at the time of purchase; this will add only about 20 cents to the shipping charge and I think many people will find it handy unless you have very skinny arms.

The strap is plenty long enough, but my biceps are not huge.

I'm a medium sized guy and my arms are not huge, but I found that I only have 1/2 inch of strap available for securing before my arm feels like the strap is too tight

i ended up cutting the top part where the ear piece plugs into the phone as it was sometimes hard to plug in, but other than that it works great.i also go the expander but have not had to use it yet as the strap on this has been sufficient.

My arms are approximately 14" and the strap is almost ready for an extension strap.

and I like the extra tightening strap

The adjustable Velcro strap is quick and easy to use to adjust the fit on my arm - and it doesn't absorb smells at all.

The strap holds well and the material is comfortable.

adjustable strap for my skinny arm

There's an optional strap extension available

Skinny as I am, I can use the extra Velcro flap to secure the band on my tiny bicep or even wrist

Holds the phone securely, and the touch screen still works as it should.

It does get damp under the fabric when I'm working out a