THE NORTHFACE MEN'S SUMMIT CASAVAL HYBRID HOODIE - TNF BLACKLight, adaptable, and built for high output mountain missions. This hybrid midlayer uses Ventrix insulation that breathes during intense movement and warms when you stop. With a helmet compatible hood, stretch construction, and water repellent finish, its a versatile layer for alpine climbs, ski touring, and cold weather pursuits. Key Features: Ventrix adaptive insulation: 60 g (body), 40 g (hood) Perforated back panel for dynamic venting High CFM