Vital S2 Bottom | Ash YGroup_40038 we use our legendary 850+

we use our legendary 850+ fill power Quixdown® Insulation

or for everyday wear

it's comfortable

heat-reflective lining

Ideal for summertime rucks

Vital S2 Bottom | Ash YGroup_40038 we use our legendary 850+Best For: Mid Weight Base Layer Boosted by XLANCE, the all new Vital S2 is our most comfortable mid weight synthetic base layer bottom to date. With a lightweight 140 g m fabric, it delivers a soft next to skin feel and exceptional moisture wicking and quick drying performanceideal for cold conditions and high output ascents. Its minimalistic design also makes it perfect for sleeping in and for bridging the gap on colder days when the Attack Pant isnt