【20mm Compatible Models】Fēnix 7S Pro/Fenix 7S/Fenix 6S/Fenix 6S Solar/Fenix 6S pro/Fenix 6S Pro Solar/Fenix 6S Sapphire/Fenix 5S/Fenix 5S plus/Fenix 5S Sapphire/Descent Mk1S/Descent Mk2S/Instinct 2S/Instinct 2S Solar/D2 Delta S/Approach S70 - 42 MM/Fēnix 8 AMOLED - 43mm. 【22mm Compatible Models】Fēnix 8 Solar - 47mm/Fēnix E- 47 mm/Fēnix 7 Pro/Fēnix 7/Fenix 7 Solar/Fenix 7 Sapphire Solar/Fenix 6/Fenix 6 Solar/Fenix 6 Pro/Fenix 6 Sapphire/Fenix 5/Fenix 5 Plus/Approach S60/Approach S62/Forerunner 935/Forerunner 945/Forerunner 745/Forerunner 955/Forerunner 955 Solar/Forerunner 965/MARQ Athlete/MARQ Athlete (Gen 2)/MARQ Golfer/MARQ Driver/MARQ Aviator/MARQ Aviator (Gen 2)/MARQ Captain/MARQ Adventurer/MARQ Commander/MARQ Expedition. 【22mm Compatible Models】Instinct 2/Instinct 2 Solar/Instinct 2 Dual Power/Instinct 2 - Standard Edition/Instinct Solar – Standard Edition/Instinct/Instinct Tide/Instinct Tactical/Instinct Esports/Instinct Crossover/D2 Delta/Descent G1/Venu 2 45mm/Vívoactive 4 45mm/Darth Vader 45mm/First Avenger 45mm/Quatix 6/Quatix 5/Epix (Gen 2)/Epix Pro 47 mm/Approach S70 - 47 mm/Fēnix 8 AMOLED - 47mm. 【26mm Compatible Models】Fēnix 8 Solar 51mm, Fēnix 7X Pro/7X/7X Solar/7X Sapphire Solar, Fenix 6X/6X Pro/6X Solar/6X Sapphire, Fenix 5X/5X Plus, Fēnix 3/3 HR/3 Sapphire, Descent Mk1/Mk2, Instinct 2X/2X Solar, D2 Charlie/D2 Delta PX/D2 Bravo, Tactix 7 Pro/Tactix Bravo/Tactix Delta - Solar Edition/Tactix Delta - Solar Edition with Ballistics, Foretrex 601/701 Ballistic Edition, Descent Mk2i, Quatix 3/6X Solar/5X Solar, Enduro/Enduro 2/3, Fēnix 8 AMOLED 51mm. 【Leather Nylon Design】 Made of genuine leather, the smooth leather surface brings you a sense of high grade, and a part of the back is made of nylon, increasing the contact area, ensuring the comfort while wearing and also increasing the breathability.（In order to meet more customer's wrist size, there are two length sizes available Small 4.9" - 8.2"(120mm-210mm) / Middle 6.4"- 10.4"(165mm-265mm) Please refer to the above data for purchase.）