SPECIFICATIONUpper Layer: Perforated Fine-Grain CalfskinLower Layer: Premium Caoutchouc (natural rubber)Water resistance: Water resistant (300m) OPTIONAL DEPLOYMENT CLASPSUsing the menu above, you can optionally add a Hirsch Sport deployment clasp to your purchase (for compatible straps) in a either silver or gold tone. Additional costs as indicated. A deployment clasp adds quick-release functionality to your watch strap for added convenience. The Strap Size Guide below lists the currently-available dimensions of this strap. STRAP SIZE GUIDE Watch End Buckle End Thickness(Watch End) Thickness(Buckle End) Length 20mm 18mm 6.5mm 3.0mm L 22mm 20mm 7.0mm 3.2mm L Length 'L' is equal to 120mm/80mm (200mm overall) WHAT'S INCLUDED ×1 Hirsch Tiger watch strap ×1 Hirsch H-Active Buckle ×2 Loops/Keepers ×2 Quick-Release Spring Bars ABOUT Hirsch Performance Tiger Watch Strap in Red With a uniform, square design, the Tiger performance strap carries Hirsch's high-performance rubber core with ridges and perforations that keeps the user's skin ventilated during high activity. The strap comes in a selection of coloured upper layers that allow you to pick out the perfect look, and has a distinctive white contrast stitch to complete its distinctive style. Please note: Any watches pictured are for illustration purposes only and are not included. Due to the hand-made nature of these products, straps may vary slightly from those pictured.