The Icebreaker Siren Long Sleeve Sweetheart Arena Baselayer makes your transitions from hiking to relaxing easier, no matter what time of year it is. This comfortable tank top has a corespun fabric with nylon fibers wrapped in Merino wool for added strength and durability. Plus, a touch of LYCRA® for active stretch. With a feminine neckline and a slim, flattering fit, this warm and breathable T-shirt is ideal for everyday comfort and layering.
Machine wash, dries fast in the shade, do not tumble dry