Icebreaker Tech Top The Icebreaker Tech Top is perfect for outdoor activities ranging from hiking to cycling to running, with a lightweight & comfortable fit to keep you warm & dry. This ladies zip top has a half-zipped neck for an adjustable fit along with long sleeves for added warmth, perfect as a base-layer or main top. > Ladies base layer top > Long sleeves > Half-zipped neck > 100% Merino Wool > Machine washable BLACK 10 (S)