Sweat damage to leather band of Fenix 6x Sapphire. Never exercised with this band : Garmin
Garmin Fenix 6X genuine leather watch band - Brown
Leather Strap For Garmin Fenix 6X Pro GPS/5X Plus/TACTIX DELTA/instinct Watchband for Fenix 6 Band Quick Fit Adapter 26mm 22mm|Watchbands| - AliExpress
For Garmin Fenix 6X / 6X Pro / 5X Plus Smart Watch Genuine Leather Strap Replacement Watchbands Bracelet Belt 26mm Watch Band|Watchbands| - AliExpress