Built with an advanced hybrid construction of waterproof leather and FKM rubber, the Active Strap Pro is our most versatile band. We combined the subtle contour of a modern leather strap with high-performance FKM lining and ventilation channels to create a bracelet that is as functional as it is elegant.\nHighlights\nWaterproof black Heinen leather from Germany\n100% waterproof\nFKM fluoroelastomer rubber coating\nInterior ventilation channels\nCustom stainless steel eyelets and buckle\nDesigned for Apple Watch Series 6, SE, and all previous Apple Watch versions\nFeatures\n44mm / 42mm strap: 81mm (buckle side) and 118mm (adjustable side) length\nCompatibility\nApple Watch 45mm, Apple Watch 42mm, Apple Watch 44mm