The Bibi Chevron Baselayer Top goes on in the base lodge before first chair, ahead of the jacket and the boots. This women's quarter-zip merino wool base layer is knit from a blend with polyester and spandex in a lightweight pique, so it stays soft and breathable against the skin. The close, fitted cut sits smoothly under a jacket or mid layer. What Our Gearhead(R) Experts Are Saying:"It stayed dry under my shell through a full day of laps because the blend pulled sweat away before it could cool on my skin. The close cut never bunched at the sleeves, even with a mid layer on top."