Jiusuibian Kids Thermal Underwear Unisex Autumn Winter Mid-Weight Fleece Lined Wool Blend 7A Antibacterial High Neck School Uniform Base Layer Set

7A antibacterial rating, odor resistant

High elasticity spiral spinning technology for stretch without tightness

Additional knee pads increase temperature by 3°C around knees

Triangular gusset expands activity range by 35% for flexible movement

Ribbed collar prevents wind and deformation

Contrasting color cuffs lock in warmth

Soft waistband comfortable after meals, no tightness when sitting

Wool content for warmth and softness

7A antibacterial performance

High elasticity without tightness

Antibacterial effect rated AAAAAAA level according to T/SZTIA 001-2023 standard

Main product fabric and selling points apply only to main image style; mixed styles may vary in fabric and craftsmanship

For size details, refer to size chart or contact customer service