The Icebreaker Women's Oasis Base Layer Set is a top-rated base layer set on Amazon. Made from 100% Merino wool, this base layer set offers exceptional warmth and breathability. The fabric is soft, lightweight, and naturally odor-resistant, making it ideal for extended wear. The set includes a long-sleeve crewneck top and leggings, both designed to provide a comfortable and snug fit. With its natural insulation and moisture-wicking properties, this base layer set is a favorite among outdoor enthusiasts and travelers.