We don't need to tell you that swimming in open waters creates a dangerous set of variables. You need to see the line of the water, the wake of your competitors, and the inevitable hand or foot chopping at you. That's why TYR created the Nest Pro Goggles. And even better, the Nano version, presented here, features a compact design to better fit smaller faces. So, you gain the UV protection of a TYR lens, while also maintaining the sleek, low-profile, and hydrodynamic profile that the Nest Pro goggles are known for. These goggles provide a wider periphery than most TYR goggles, increasing your field of vision. TYR also gave the lenses an embedded anti-fog treatment, preventing any possible loss of vision. For adjustment, the Nest Pro features a varied tensile strength (think varying elasticity) head strap. The TYR Nest Pro Nano Goggles are available in one size and in the lens colors Blue/clear, Clear/clear, Clear/black, and Smoke/black.