Mammut Tweak Beanie Black/Steel One Size. The beanie looks stylish with an embroidered MAMMUT logo. The inside is lined with cozy fleece. Specifications for Mammut Tweak Beanie: Manufacturer: Mammut Gender: Unisex Age Group: Adults Hat Size US: One Size Fabric/Material: 50percent Wool 50percent Acrylic Application: Hiking Weight: 40 g Features of Mammut Tweak Beanie Wool-acrylic blend combines comfort and functionality RWS-certified wool to protect animal welfare Fleece inner layer made from 100percent recycled polyester Package Contents: Mammut Tweak Beanie Mammut 1191-01352-6431-1: Tweak Beanie Supernova/White One Size Mammut 1191-01352-40239-1: Tweak Beanie Dark Jade/Woods One Size Mammut 1191-01352-0069-1: Tweak Beanie Black/Steel One Size Mammut 1191-01352-0069-1: Tweak Beanie Black/Steel One Size