**Specifications:**
Brand: YOUKESHU
Material: Cool ice silk
Features: Breathable, antibacterial crotch, cool sensation
Grade: 7A antibacterial crotch
Technology: Innovative weaving technology for micro oxygen circulation channels
Cooling Performance: Instant cooling upon contact with skin
Cooling Coefficient: 0.23 (exceeds national standard by 1.5 times)
Thickness: 0.15mm, lightweight fabric (120g/m²)
Air Permeability: 760mm/s, high breathability
Antibacterial: 7A-grade pure cotton crotch for protection against harmful bacteria
Waist Design: 360° seamless fit for comfort
Leg Design: Anti-roll, anti-riding up
Comfort: Dynamic anti-wedgie system
Composition: 100% cotton crotch
Color Options: Sky Blue, Citrus Green, Light Yellow, Starry Gray, Ink Gray, Midnight Black
Sizing: Refer to size chart based on height and weight
Care Instructions: Machine wash cold, gentle cycle; do not bleach; tumble dry low; do not iron
*Note: Data is based on testing by third-party organizations and may vary slightly between batches and colors, but still complies with national standards. Individual experiences may vary.