● Condition: Brand new, unused Hidamari, the talk of the town for "underwear worn by the Everest expedition team," boasts the highest performance in the series!! This is the "Hidamari Saikyo (Strongest) Chomolungma Men's Round Neck Long Sleeve Shirt & Underpants (M)". This single layer provides the warmth of three! With its unique three-layer structure of Danron, 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 cancellations or returns are accepted. ● Product Size: (M) Height: 165-175cm Chest: 88-96cm Waist: 76-84cm ● 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: ¥24,200