Yiershuang [Class A 3-Layer Thickened] 100% Cotton Thermal Underwear Men's Set Antibacterial Youth Autumn Top and Bottom

Formaldehyde Free

Meets Infant and Toddler Grade Standards

High-efficiency antibacterial and mite-resistant (7A standard)

Antistatic performance with peak voltage -1.5×10 V

Environmentally friendly and safe dyes

Three-layer thickened structure for enhanced heat retention and circulation locking temperature

Soft, breathable, moisture-absorbing fabric with cloud-like softness

Antibacterial and mite-resistant with 62% effectiveness after 150 washes

Eliminates static electricity continuously during wear

Comfortable, elastic moderate fit with classic round neck and hidden collar design

360° seamless one-piece knitting for no side seams and no pressure marks

Durable lock-stitched hems and cuffs to prevent curling and pilling

Suitable for various temperatures, providing close-to-skin temperature control in cool to extremely cold weather

Easy-care, colorfast with active dyeing technology for long-lasting brightness

Flexible and breathable fabric that maintains dryness and comfort during wear

Designed for health protection and family care with no unpleasant odors

Size selection depends on personal body shape and wearing habits; for a looser fit, choose one size larger.

Classic round neck for casual comfort and style

Hidden collar for discreet inner wear

Added crotch design for better fit and comfort

Lock-stitched hems to prevent curling

Seamless 360° knitting for smooth fit without pressure marks

Soft, non-pilling, and durable fabric

Suitable for layering without restriction

Functional warm series focusing on body temperature regulation and continuous warmth

Ideal for cold weather protection with high heat retention and breathable comfort

Product information and detailed explanations available to help customers understand product features and benefits.