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I tried both in the store. The sport band is a marvel of a product, fits so nicely and feels great on the wrist. Whatever they did with that "fleuroelastamer" as they call the rubber, they did an excellent job. I loved the blue leather loop as well, it's darker than the pastel/highlighter-blue sports band, but very classy. I wouldn't say it's as supple as I expected it to be, but it could be that the leather will take some time to wear in.

I got the SS Watch with a black sports band, but I'll certainly add a leather loop in the future. I have a 180mm wrist and the medium length is perfect.
 
I loved the blue leather loop as well, it's darker than the pastel/highlighter-blue sports band, but very classy. I wouldn't say it's as supple as I expected it to be, but it could be that the leather will take some time to wear in.

I agree. The leather loop was rather comfortable but I was surprised how "fake" the leather felt. Maybe it will soften over time.
 
the blue leather loop reminded me of the midnight blue iPhone 6/6 Plus case

very classy looking ;)

still undecided which alt bands I want - black/blue leather loop or the classic buckle

42mm ss w/ black sport band on the way in a few weeks :D
 
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