**Product Specifications:**

**Brand:** UTO

**Focus:** Specializes in sports base layers

**Supplier:** Official supplier to the Chinese national snow sports team

**Brand Ambassador:** Winter Olympic champion, Xu Mengtao

**U+LAB - UTO Heat Sensation Laboratory:**

**Technology:** Charcoal Energy Technology

**Scene Adaptation:** Skiing, mountaineering, hiking, running

**Material:** Charcoal fiber functional underwear set

**Features:** Thermal retention, lightweight, comfortable

**Temperature Range:** -15°C, altitude up to 4000m

**Antibacterial Grade:** AAA level treatment

**Technology:** Five-dimensional technology, infrared heat storage

**Moisture Management:** Quick-drying, bamboo charcoal fiber technology

**Seamless Construction:** 3D seamless technology for comfort

**Odor Control:** Antibacterial treatment for odor prevention

**Key Features:**

**Breathable Fabric:** Nano charcoal fiber with infrared heating technology

**Quick-Drying:** Absorbs sweat and keeps the body dry

**Warmth:** Lightweight and retains heat effectively

**Comfort:** Seamless design for a comfortable fit

**Size Chart:**

Men's and Women's sizes available for various heights and weights

**Color Options:**

Men: Black, navy blue, rock gray, matcha green, black-red, blue, star gray

Women: Black, plum red, rock gray, matcha green, black-gray, black-red, purple, summer purple

**Packaging:** Sports Underwear - Charcoal Energy Functional Underwear Set

**Level Differentiation:**

U1: Everyday wear

U2: Intermediate level

U3: Professional wear

**Warmth Levels:**

Warm+

Warm++

Warm+++

**Fabric Composition:**

65.7% nylon, 27.0% polyester, 7.3% spandex

**Thickness:** Slim fit

**Softness:** Soft

**Elasticity:** Slightly elastic to highly elastic

**Brand Story:**

Founded in 2009 by outdoor sports enthusiast Zhang Kai

Vision: To create comfortable, quick-drying, and warm sports underwear

Innovation: Introduced seamless weaving technology for sportswear

Achievements: Over 20 national patents, supplier to 15 national sports teams

**Mission:** UTO aims to provide comfortable and innovative sportswear to empower athletes in pursuing their dreams.