Summit Series Apparel

The North Face's top-tier technical apparel collection for alpinists, climbers, and ski mountaineers. Uses Gore-Tex Pro, FUTURELIGHT, and 800-fill down. Organized into a numbered layer system: L1 base, L2/L3 midlayers, L4 insulation, L5 hardshell. Spans jackets, pants, bibs, and accessories across ski mountaineering and alpine categories.