Silicone straps for high-intensity training Make your Suunto watch your own and choose straps in a variety of outdoor-inspired colors. You can wear your watch with any outfit and in any weather. The strap clasp has also been improved with an easy-to-use metal pin. The strap can now be firmly fixed. Made of durable silicone. This quick release strap is comfortable to wear and easy to replace. This strap has a highly breathable and skin-friendly design, making it ideal for high-intensity sports such as trail running and backcountry skiing. This strap package includes two different lengths of his straps.