Introducing Stride, an FKM high-performance sports band designed to meet the demands of your most intense activities. Whether you're hiking rugged trails, diving into deep waters, or braving extreme temperatures, Stride is ready for your next challenge. This Apple Watch band is engineered with all the robust qualities of FKM material, ensuring it remains secure, stylish, and perfect for any extreme sport. • Made from high-performance FKM fluoroelastomer rubber• The pin-and-tuck closure ensures a secure fit, while keeping the end of the band neatly tucked away to prevent snagging• Exceptional resistance to extreme temperatures• Fully water-proof Materials FKM fluoroelastomer rubber and stainless steel Wrist Length 120mm-180mm Compatibility Apple Watch 41/40/38mm