The super.natural Baselayer is designed for every age, occasion, and woman, thanks to its timeless style. The W ARCTIC230 LS Longsleeve keeps you especially warm on cold winter days, perfectly combining comfort, functionality, and style. Thanks to the odor-resistant properties of the super.natural Merino blend, you can wear this long-sleeve shirt day in and day out. The ARTIC 230 Base Layer collection is designed for cold winter days with icy and frosty temperatures. Imagine being outside at -15 degrees and still feeling warm and cozy - the 230g heavyweight fiber will not let you down. Material: 50% wool (Merino), 50% polyester.