【Compatible Model】 The soft silicone replacement strap is compatible with Suunto Ambit 3 Vertical/Suunto Spartan Sport. NOTE: Smartwatch is NOT included 【Available Size】The strap fits women and men with 5.5"-8.7"( 140mm-221mm )wrists. Because the length between different watches is different, it may have several millimeters error 【High-quality Silicone Material】 This replacement wristband is made of high-quality silicone.The Suunto Ambit 3 Vertical/Suunto Spartan Sport replacement straps for men & women is skin-friendly, comfortable and flexible, can also prevent your skin from irritation. It is also waterproof and sweat-resistant, easy to maintain and durable 【Secure Conection】 This sport strap for Suunto Spartan Ultra has a quick reales pin & a durable stainless steel buckle, you can easily remove or install the strap with the quick realse pin, and the durable buckle can hold your watch on your wrist in any occasion, no matter you are swimming or running 【Multi-Colors】There are 8 difference colors, choose one color to match your mood.Purple,Mint,Green,Rose Red,Black,Blue,Red,Orange