The Icebreaker Men's Everyday Long Sleeve Half Zip Fleece is a highly versatile, highly practical mid or baselayer constructed with the innovative 200 lightweight merino wool fabric. The organic material optimises thermal efficiency, moisture wicking and fights odours whilst also being lightweight and quick to dry. The Long Sleeve Half Zip Baselayer boasts a zipped neck for more versatile wear options, with flatlocked seams to increase layering comfort.