● Condition: Brand new, unused Hidamari, the talk of the town for "underwear worn by the Everest expedition team," is the highest-performance series!! This is the "Hidamari Saikyo (Strongest) Chomolungma Men's Long Sleeve Crew Neck Shirt & Underpants (L)". This one piece provides the warmth of three! With Danron's unique three-layer structure, it's the ideal underwear, combining heat retention, quick-drying properties, breathability, and ease of movement. 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 (Danron) ● Color: Navy ● Production: Made in Japan ● Manufacturer's Suggested Retail Price: ¥22,000