Women who engage in outdoor winter sports like skiing require protective base layers to shield themselves from extreme cold. Previously, wearing a single thick layer was common, but now a three-layer system is preferred, with a lightweight, quick-drying base layer followed by an insulating middle layer and an outer layer that is waterproof and wind-resistant. This layered approach prevents sweat buildup that could occur during vigorous activity in heavy clothing. For skiing specifically, women need several fleece tops, goggles, a hat, headband, gloves, jacket, pants, socks, sunglasses, and thermal underwear to stay warm and protected from the elements while maintaining flexibility and grip.