The perfect summer travel shirt starts with the right fabric, so the Womens Sphere Long Sleeve Crewe is made from exclusive Cool LiteTM fabric, Icebreakers exclusive blend of merino wool and TENCELAR. It stays cooler and breathes better than other fabrics, so this relaxed fitting jersey is comfortable everywhere, from a hot trolley in the city to a long hike on a volcano. With merinos natural odor resistance, you can wear it more times between washing. Weight: 130 Featherweight Fabric: 65% Merino wool, 20% TENCELAR, 15% Nylon Fit: Relaxed Layer: First Layers Best for: Outdoor Hiking, Travel Lifestyle Benefits: Lightweight, summer comfort, odor resistant Features: Icebreaker Cool LiteTM fabric, wide scoop neckline, raglan sleeves, rib trim at neck, cuff, and waistband, side split hem detail Care: Machine wash. Dries fast in the shade, but do not tumble dry. Exact instructions on the care label.