Baby Cotton Socks Spring Autumn A-Class Unisex Newborn Infant Seamless Mid-Calf Socks Non-Binding Legs Autumn

100% pure cotton (excluding elastic fibers)

Cotton content exceeds 95%, meeting national pure cotton standards

Only two types of fibers used to qualify as pure cotton or 100% cotton

7A Class antibacterial standard

Baby-grade Class A safety standard (suitable for direct contact with newborn skin)

Complies with GB31701-2015 and GB/T24253-2009 standards

7A level antibacterial effectiveness

Inhibits Staphylococcus aureus by 98%

Inhibits Escherichia coli by 86%

Inhibits Candida albicans by 85%

Antibacterial effect remains effective after 150 washes

Effective against mites

Anti-pilling grade 4-5 (tested according to GB/T3920-2008)

Resistant to deformation and wear

Tight spinning yarn for enhanced durability

Reinforced heel to prevent wear and slipping

Fine mesh knit with dispersed texture compared to first-generation Beibi products

Elastic sock opening with 1.15x toughness and 3.77x elasticity for comfortable fit without tight marks