Beneunder Women's Thermal Fleece-Lined Thickened Autumn Base Layer Shirt Long Sleeve Top

Moisture-activated heat generation technology converts sweat into heat.

Amino acid moisturizing and skin-nourishing components with 3660 mg/kg amino acids and 432,000 ppr protein content.

Double-layer warm yarn for lightweight comfort without burden.

Inner hollow structure for long-lasting heat retention.

Enhanced breathability with HydroDry instant moisture absorption fabric.

High elasticity four-way stretch fabric for unrestricted movement.

Smart waistband design for comfort without tightness.

Reinforced crotch ventilation for dryness and comfort.

Thickened collar on high warm models for windproof and cold protection.

AAA-grade antibacterial fabric maintaining efficacy after 50 washes.

Seamless flat stitching to prevent skin irritation.

Anti-static and anti-pilling performance rated level 3.

Durable, machine washable, colorfast, and resistant to deformation and snagging.

Women’s thermal underwear tops and bottoms available in sizes S, M, L, XL, XXL, with detailed size charts based on height (150-180 cm) and weight (45-80 kg).

The fit is relaxed; users preferring a slimmer fit are advised to select one size smaller.

Color options include Misty Pink and Twilight Black.

Scientific certification for amino acid and protein content before and after washing.

Moisture-heat generation test reports.

Elasticity and elongation tests confirming fabric performance.

Thermal retention rate tests for high warm models.

Designed for autumn and winter outdoor activities requiring effective warmth and moisture management.

Suitable for men and women with physiological differences in sweat and skin sensitivity.

Ideal for users needing warmth without dampness or skin irritation.

Thermal underwear sets (top and bottom) in selected warmth levels and sizes.

The presence of amino acids and proteins enhances moisturizing effects but does not guarantee specific skincare benefits.

All data are based on third-party laboratory testing.