Workman Women's Merino Wool 100% Series Heaviest Weight Midweight Long Sleeve Crew Neck Women's midweight underwear using super extra fine merino wool 100%, comfortable to wear with moisture absorption and heat generation. - Material: 100% Merino Wool - Type: Women's Underwear - Thickness: Midweight - Moisture Absorption and Heat Generation: Generates heat at 3.7°C - Features: Heat retention, comfort - Size L. Black. Purchased January 2026 New and unused Shipping via Yu-Packet Post is planned. Thank you.