Stay warm even when the cold weather is coming with a base layer sweater. Here we have gathered our selection of base layer sweaters for women for you to find your favorites. Choose among brands such as Ulvang, Blount & Pool and Swix. A base layer sweater is a useable, extra warming layer that you can wear during cold walks with the dog, when you are skiing and workout in cold weather and of course on a fun after ski! Base layers comes in several materials, such as merino wool and polyester. In milder temperatures, it can be enough with a base layer in polyester. But most times, a base layer in merino wool is the best choice. It will keep you warm even though you might get wet or sweaty. Regardless the activity or occasion - we got the base layer sweater for you!