● Condition: Brand new, unused Hidamari, the thermal underwear that the Everest expedition team wore, is the talk of the town! This is the "Hidamari Saikyo (Strongest) Chomolungma Men's Underpants (L)", the highest performance in the series! This single piece provides the warmth of three! With its unique three-layer structure of Danlon, it is thermal, quick-drying, breathable, and easy to move in, making it the ideal underwear. Made in Japan, it suppresses static electricity and eliminates dust adhesion. Returns and exchanges are accepted for defective products, but otherwise, please understand that no claims or returns are accepted. ● Product Size: (L) Height: 175-185cm Chest: 96-104cm Waist: 84-94cm ● Outer Fabric: 70% Acrylic, 30% Wool ● Middle Fabric: 100% Nylon ● Inner Fabric: 80% Polyvinyl Chloride, 20% Acrylic (Danlon) ● Color: Navy ● Production: Made in Japan ● Manufacturer's Suggested Retail Price: 12,100 yen