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  • Regular price ¥1,980 JPY
  • *International shipping cost from 580 to 2,400 JPY. (By different zones of
    countries and different shipping ways.)


*International shipping cost from 580 to 2,400 JPY by different zones of countries and different shipping ways.

Simplicity fashion, a feeling of stability to be confident anytime.
Understand is designed for Asian men's body style, fit and clean cut with the comfortable, flexible and soft light fabric. 

The U Convex Capsule design creates more space at the front to avoid oppression and friction during exercise, also increases heat dissipation to being more breathable.

The fitted cut of the back provides a natural upward support for the hips.

The design focus on the most basic practicality of underwear, instead of the extra stitching and fancy design. Returns to nature and simplicity, emphasizing the protection and comfort. Perfectly expressing the natural body lines and charm of men. 

The color is pure white with turbulence grey logo. The back side is dotted with a small light bulb that represents our brand concept "understand". 


・Fabric:93%Cotton / 7%Spandex
・Design from Japan / Made in Thailand
・Highly  hygroscopic / stretchable / quick-drying
・Comfortable and soft light
・U Convex Capsule design:fit / breathable / no oppression
・Single layer of fabric and no opening at the front

Asian /
US Size
le Waist
Hip Th-
S / XS
68~76 30 31 20 17
M / S
76~84 33 34 21 19
L / M
84~94 35 36 23 20
XL / L
94~104 38 39 24 20
98~108 40 41 26 21

*In unit of measurement of length we use centimeter (cm) to measure.
*Our design is fitted-cut, please choose the size bigger than usually you buy from other brand if you want to wear roomier. 
*There might be some inevitable slight errors in the production process by different characteristics and properties of fabrics, please understand it.
*As different computers display different colors, please understand the actual color may vary slightly from your monitor.