PRODUCT OVERVIEW: The Ocean Band is molded in a high performance elastomer with a tubular geometry allowing it to stretch for a perfect fit, even over a wetsuit. The titanium buckle and adjustable loop secure the band during high-speed water sports. See Dimension section below for band sizing information.  KEY FEATURES: The Ocean Band is molded in a high performance elastomer with a tubular geometry allowing it to stretch for a perfect fit, even over a wetsuit. The titanium buckle and adjustable loop secure the band during high-speed water sports. The Trail Loop, Alpine Loop, and Ocean Band are designed for Apple Watch Ultra and pair best with the 49mm case size. The bands are also compatible with 44mm and 45mm cases. What’s in the Box: Apple Watch Ocean Band Regular Bands fits 130-200mm wrists