Open Front. Made in Japan. A temperature regulating material developed for NASA: Outlast Technology. Outlast technology was originally developed for NASA in the USA. This revolutionary temperature regulating material helps maintain a comfortable temperature range, at the skin surface, in both cold and hot environments. So you''re not too hot, not too cold. The crotch area is spacious. 3-dimensional structure. Feel invigorated. Non-restricted Comfort on the Crotch Area!!
Japan technology. Three-dimensionally structured for Crotch Area. Japanese patent No.5120755. YARTS original-goods. MSPEC is designed three-dimensionally to fully support from crotch to testicles and to provide the first ever comfortable underwear for men.
Upgrade your comfort. The 5 Comforts: 1. Perfect body fit. Perfect support. 2. No shifting to one side. 3. Breathable. Ventilated. 4. Moisture-absorbing. 5. Freedom to move. Movement free.
Japan quality. Fabric: Rayon-95%/ Polyurethane-5% Outlast Stretch Tenjiku. Elastic: Toray ''quup'' Nylon-83% Polyurethane-11% Polyester-6% Width-1.2 inch. It is using excellent moisture absorption Toray ''quup '' nylon.
Select Size=US-Size/JP-Size: (Waist/Elastic. Inch). M=US-S/JP-M: (30-33/26.3). L=US-M/JP-L: (33-36/29). XL=US-L/JP-LL: (36-39/31.8). XXL=US-XL/JP-3L: (39-42/34.5). XXXL=US-XXL/JP-4L: (42-45/37.2). XXXXL=US-XXXL/JP-5L: (45-48/39.9). Note: MSPEC is made with Japanese size.

Technical Details

Product Details

Package Dimensions
Width : 5.7 inch
Height : 0.7 inch
Length : 11.9 inch

Shipping Weight: 0.32 ounce (View shipping rates and policies)

ASIN : B01ECKW5BU