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                                    **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.
