Women's Expedition 1/4 Zip TopThe base layer you can wear to work. Most technical base layers either look too sporty to wear visibly or don't perform when you actually need them to. You end up with a drawer full of pieces that only work in specific situations. The Expedition 1 4 Zip bridges that gap. It's technical enough to wear ski touring under your bibs. Nice enough to wear to work when it's cold. Breathable enough for dog walks when you're moving. Warm enough for running