Choosing The Right Size / Lengths - Please confirm your watch size before ordering. you can know your model number by checking the description on the back of the watch. then choose the correct size according to our size display. We have 3 differenct size options, please select the right size according to your wrist length. the "S" fits wrist from 6.4'' to 7.4'', the "M" fits wrist from 7.2'' to 8.2'', the "L" fits wrist from 8.2'' to 9.2''. Sporty and Stylish Design Watch Bands - designed for heavy duty task, this watch bands are built for adventure. wear it at work, while hiking, fishing, mountain biking, skiing or kayaking, or even when you're traveling. it will bring you comfort and reliability.it features an ultra-strength hook-and-loop closure. your watch will go on and stay on, no sliding, coming loose or coming unbuckled. solid metal connector, upgraded pin which is made by metal screw joint, sturdy and reliable. 26mm Watch Bands Compatible Devices - D2 Bravo, D2 Charlie, D2 Delta PX, Descent Mk1, fēnix 3, fēnix 3 HR, fēnix 3 Sapphire, fēnix 5X, fēnix 5X Plus, fēnix 6X – Pro and Sapphire Editions, fēnix 6X – Pro Solar Edtion, Foretrex 601, Foretrex 701 Ballistic Edtion, quatix 6x Solar, quatix 3, tactix Bravo, tactix Charlie, tactix Delta – Sapphire Edition 22 Watch Bands Compatible Devices - Approach S60, Approach S62, D2 Delta, fēnix 5, fēnix 5 Plus, fēnix 6, fēnix 6 Pro and Sapphire Editions, Forerunner 945, Forerunner 935, Instinct, Instinct Tactical Edition, MARQ Adventurer, MARQ Athlete, MARQ Aviator, MARQ Captain, MARQ Captain: American Magic Edition, MARQ Commander, MARQ Driver, quatix 5, quatix 5 Sapphire, quatix 6, quatix 6 Titanium; 20mm Watch Bands Compatible Devices- D2 Delta S, fēnix 5S, fēnix 5S Plus. wear it at work, hiking, fishing, mountain biking, skiing or kayaking, or even when you're traveling.