The first base layer specifically designed for extreme use on high alpine and arctic expeditions. Features 5 different Lifa® fabrics to work in sync with different parts of the body depending on heat and moisture management needs.

• Lifa® Stay Dry Technology™
• 5 different fabrics and 10 different fiber structures incorporated into design
• Flat lock stitching
• Extra long cut with drop tail to protect midriff during climbs