Compatible with all variants of Apple Watch: Series 8/7/6/5/4/3/2/1 Ultra
38-41 S Size: Fits 5.1-7.1" wrist (Small wrists)
38-41 ML Size: Fits 5.9-7.9" wrist (Medium to Large Wrists)
42-49 S Size: Fits 5.5-7.5" wrist (small wrist)
42-49 ML Size: Fits 6.3-8.3" wrist (Medium to Large Wrists)

The innovative pin-and-tuck design offers extra comfort when wearing the watch band. The soft silicone and smooth surface provide a sporty look and offer increased comfort and durability, yet surprisingly soft. The smooth, dense material drapes elegantly across your wrist and feels comfortable next to your skin. Great for active lives that need waterproof & sweat-resistant for all your sports occasions. The band is easy to install and remove with just one button.