**Specifications:**
**Material:** 100% cotton
**Features:** Soft and delicate, breathable, skin-friendly
**Brand:** JIANJIANG
**Design:** Mid-calf length for men, reinforced heel, seamless toe
**Elasticity:** High-quality elastic band
**Antibacterial Level:** 5A
**Comfort:** Breathable, odor-resistant, comfortable fit
**Color Fastness:** High color retention after 150 washes
**Antibacterial Certification:** 7A level, effective against various bacteria
**Size Options:** Available in multiple colors
**Main Fabric:** 100% cotton
**Additional Features:** No bone seam, anti-slip heel, durable and comfortable
**About the Brand:**
**Brand:** JIANJIANG
**Established:** 1997
**Specialization:** Men's innerwear
**Focus:** Original design, attention to detail, fusion of Chinese male characteristics
**Mission:** Provide fashionable, comfortable, energetic, and healthy innerwear experience for Chinese men
**History:** Over 20 years of experience in the industry
**Production:** Integrated design, development, and production
**Facilities:** Modern production base with advanced equipment and automated systems
**Note:** The brand name "JIANJIANG" is a well-known men's innerwear brand in China, specializing in high-quality cotton products with a focus on comfort and durability.