This mid-weight duo-layer thermal crew features a fully synthetic interior and a face made from a premium Merino wool blend. The unique bi-layer construction creates an air pocket between the layers, providing enhanced insulation and optimal thermal regulation. Merino wool, known for its natural thermal regulation and odor control properties, ensures you stay warm, cozy, and fresh during your adventures. 

• Climasense fiber fusion is designed to regulate your optimal temperature
• Thermoregulation technology provides comfort through a wide range of temperatures
• UPF rated
• Odor control
• Moisture management
• Heather: 50% Polyester, 35% Merino Wool, 15% Nylon Bi-Layer
• Jacquard: 68% Polyester, 32% Merino Wool