Interesting review.
Yes I think that's the lemon cream sport band. Not sure what else it could be.
Odd the author has issues with the HRM. I've had nothing but good success with optical HRMs whether from Garmin or from Apple (S2/S3/S4/S5), they've pretty much all read so close to chest-strap readings as to be indistinguishable. Chest straps aren't without their issues either -- used to have to use electrode gel in winter else I'd often get some really bad readings until I'd worked up a sweat. Even then, static from my shirt could mess them up.
The comparison of GPS tracks was interesting - Raw GPS positioning is like plotting the location of a hyperactive puppy on a 10 meter leash as you walk down the path. It's exacerbated with buildings and sky-blocking cover as you can get weird signal bounce effects. Contrary to popular perception the GPS received doesn't figure out location from the directions of the satellites -- instead it's measuring the time each satellite's signal took to reach it in order to know how far away each satellite is at that moment. Then taking the known orbits for each satellite and the distance to each satellite, it calculates your location. Thus a signal bounce off a building a half a block away in the opposite direction can throw off the distance calculation, and thus the position info.
So most receivers do some degree of smoothing of the plotted locations, some erring to a noisier less smoothed plot and others erring to a smoother less noisy plot. I've seen Garmin take some different directions on that over the course of owning a FR610, FR910xt, Fenix3, and FR235.
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