Fabric - There's two main types of fabric straps out there - NATO and Zulu. NATO straps include a single piece that passes via thespringbars, sitting among the wrist and the back of the case. They even have a further strap that slides from the two lugs, so you've two https://allhealthmarket.com/product/aeahmarket/appleband/silicone-strap-for-apple-watch/silicone-watch-bands-for-apple-watch-band-38mm-40mm-41mm-42mm-44mm-45mm-49mm-ultra-series8-7-6-5-se-women-men-sport-strap-wristbands/