I've tried the original silicone straps and the flexible metal straps and found this woven strap to be the most comfortable. The strap slots on my Fitbit Sense easily accommodate any new strap, but it's extremely difficult to detach old straps.
Soft Silicone AirPods Case Cover With Visible LED - Compatible With AirPod 2/1 Cases, Keychain Accessory Included - Ideal For Men, Women, Girls, And Boys - Light Pink
37 Review
Classic Camera Bag, Evecase Large Canvas Messenger SLR/DSLR Shoulder Case With Leather Trim, Tablet Compartment And Removable Insert For Mirrorless, Micro 4/3, Compact System, High Zoom Digital Camera
41 Review
A Durable And Protective CaseSack For Bose QuietComfort And SoundLink Headphones
41 Review
Protective Silicone Cover For Samsung Galaxy Buds & Buds+, Shock Resistant With Carabiner And Fast Wireless Charging Compatibility - Fironst Case For Galaxy Earbuds 2020 (Black)
52 Review