New Dragon Alliance Nfxs-Pkgumsole/Lumalens Dark Smoke Lens Goggles In One SizeA slightly scaled-down version of our groundbreaking frameless NFX goggle, the NFXs delivers the same unrivaled performance and cutting-edge technology as its big brother. Utilizing our expanded Lumalens and Photochromic lenses give the NFXs unrivaled flexibility, while the armored venting, Super Anti-Fog treatment and seamless lens interchangeability make it an everyday workhorse. The NFXs is a physical incarnation of style meeting substances; form colliding with function. This goggle utilizes features derived from Dragon's patented Advanced Projects X (APX) technology