I opened it for inspection, but it's unworn. I'm selling it because I won't be using it. Retail price: 4,400 yen Blue compression undershirt, COLDGEAR model. - Brand: UNDER ARMOUR - Model name: COLDGEAR - Size: YOUTH - Color: Blue - Features: Compression Thank you for looking. Size: 150cm Baseball Soccer "If you can stay warm with just one layer, there's no need to wear unnecessary layers." Under Armour created "ColdGear," a winter-specific base layer, to always deliver peak performance. It gently wraps muscles during exercise, suppressing unnecessary vibrations. Compression fit also supports endurance. The Under Armour inscription, promising victory, is at the center of the chest. By using high-density microfiber yarn, it combines warmth and comfort, and prevents chills with high sweat absorption and quick-drying properties. Excellent 4-way stretch allows for smooth movement in all directions. Quickly absorbs sweat and releases it to the outside, keeping the athlete's body dry at all times. Half mesh is used on the back. A jock tag on the hem where you can write your number, name, etc. Logo placement that is compatible with use in high school baseball.