The bands are adjustable to eight positions and are very comfortable. The clasp is made of two angled metal prongs that poke through perfectly sized holes in the nylon band. Because the two prongs feel solid and are angled, the band feels extremely secure. The metal buckle also adds to the security of the band. Plus, once you slide the loop over the band, you add a third layer of security… More at Gear Diary.
I like how the band changes the overall look of the Apple Watch while remaining consistent with the design of the watch itself. The more I look at it, the more I like the implementation.