Look Good, Feel Great: The simple, yet stylish design of Phiten sport necklace utilize Aqua-Titanium technology to create a design that's sleek enough to match any style and help relax muscles A Necklace as Versatile as You: Equally suitable for daytime wear or through any tough workout; Constructed with comfort in mind, this necklace for men and women will fit seamlessly into your lifestyle Durable and Long Lasting: No need to remove it for your daily sweat session with it's sweat-proof construction and durable silicone material, this S-PRO titanium necklace will outlast even the most demanding routine Easy Relaxation on the Go: Phiten's subtle and stylish waterproof sport necklace is enhanced with Aqua-Titanium technology and micro-titanium spheres to help relax tense muscles whether at home, the office, working out, or out on the town Promoting a High Quality of Life: 2018 marks the 35th Anniversary of Phiten’s start in Japan. Our goal is to inspire people to live an active and balanced lifestyle regardless of age, activity, or level of experience; With over 100 patents worldwide and 150 store locations, Phiten has won the trust of world-class athletes around the world Less is more with S-PRO Titanium Necklace. This is our version of the concept car and we’ve eliminated all excess parts, stripping the necklace down to the core to show contoured, minimalist lines accentuated only by a front metallic trim. Produced out of a waterproof silicone material and contains Phiten Aqua Titanium Technology.