YAYA True Down Filled Warm Vest Men Fleece Patch Innerwear Autumn Winter Seamless Base Layer 2025 New Model

Meets GB/T20253-2009 thermal insulation testing standards

Contains 18 amino acids, natural mulberry silk fibers for high moisture absorption, lightweight fluffiness, and excellent breathability

Silk is sensitive skin friendly, prevents itching, balances and nourishes skin, inhibits bacterial growth, and enhances softness and comfort

Soothwarm double-sided warm fleece texture

Maintains constant temperature and heat retention, becoming warmer with wear

Laboratory data (for reference only, actual results depend on wearing environment):

Four-way stretch fabric for high body adaptability without restriction during movement

Lightweight thermal vest with silk fiber heating technology

Soft, elastic, well-fitted, moderate thickness

Suitable for layering and commuting wear

Women’s Sizes (M, L, XL, 2XL, 3XL)

Men’s Sizes (L, XL, 2XL, 3XL, 4XL)

All measurements are manual and may have slight deviations. Due to individual body shape differences and wearing habits, data is for reference only.

Coffee

Gray

Black

Use gentle or mild washing methods

Avoid rubbing with sharp or hard objects

Do not pull or stretch forcefully

Do not wash or disinfect with hot water

Do not use high-temperature drying or ironing

Air dry recommended

Double mesh openings and double round design for breathability and comfort