Photics HS Thermo Coat Women. A laser-fused, waterproof down jacket that keeps you warm and dry. This technical jacket has plenty of lifestyle appeal. It features revolutionary MAMMUT® Laser Fuse Technology™, which joins two materials via laser light, creating completely sealed seams without needle holes. No water penetration, no loss of down. Precise body mapping through the unrestricted design of the insulation zones. Photics. The revolutionary new down jacket.