The Icebreaker Women's 320 Coronet top is an active mid-layer range made from 100% Merino wool. Highly insulating & breathable without bulk it is an ideal layering piece for winter sports.GLOSSARY: Merino Wool: Wool from Merino sheep that provides good insulation, durability, odour resistance & moisture control. Soft & itch-free, it is ideal for base layer garments.