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YEEHOO Three-Layer School Uniform Essential Kids Thermal Underwear Anti-Static Boys and Girls Set

YEEHOO•Children's thermal underwear

YEEHOO Three-Layer School Uniform Essential Kids Thermal Underwear Anti-Static Boys and Girls Set

CN¥239.00

SKU: 100212494987

Status:Out of Stock

ID: 100212494961

Weight: 361.00 g

Dims:273x197x34 mm

Specifications

Pattern: Solid color
Release date: Autumn 2025
Suitable Gender: Universal
Material: Polyester (polyester fiber), Spandex (polyurethane elastic fiber)
Customizable or not: Not customizable
Thickness: Thick
Category: Thermal underwear set
Fleece-lined: Plush

Variants / Sale Attributes

Color: Nebula Warm Purple

Size: 170

Package Contents

1 set per pack

Product Description

Overview

Brand: YEEHOO
Product Name: Children's Homewear Set

Versatile and comfortable, ideal for school uniforms

Three-layer thickened design for excellent cold weather protection

Additional details

Outer layer: windproof and temperature-locking with micro-fleece brushed fabric
Middle layer: Merino wool for warmth and skin-friendly softness
Inner layer: microporous fiber for breathability and moisture absorption

Air layer firmly locked to retain heat

Warm yarn technology increases temperature by up to 68.7%

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Converts body moisture into heat energy for continuous warming

Thermal insulation rate far exceeds national standard GB/T35762-2017 by 129%

Temperature increase up to 10°C in cold conditions

Certified for baby and maternal use (Class A)

pH value between 4.0-7.5, no harmful substances detected, safe for direct skin contact

Meets water wash durability, abrasion resistance, and anti-pilling standards

Colorfast after washing

Diamond quilting for durability and easy maintenance

One-button fastening and 3D crotch design for easy dressing without tightness

Pants legs fit closely to prevent cold wind penetration

Additional details

Size range: 110-170 cm

Material Composition

Item	Detail
Outer layer	93% polyester, 7% spandex
Middle layer	80.6% polyester, 19.4% merino wool
Inner layer	88.5% polyester, 7.3% spandex, 3.1% regenerated cellulose fiber, 1.1% merino wool and mulberry silk blend

Recommended size selection based on age, height, and weight

Item	Detail
3-4 years	97-105 cm height, 20-30 kg weight, size 110
5-6 years	106-115 cm height, 30-39 kg weight, sizes 110, 120
6-7 years	116-125 cm height, 39-59 kg weight, sizes 120, 130
8-10 years	126-135 cm height, 49-69 kg weight, sizes 130, 140
11-12 years	136-145 cm height, 59-79 kg weight, sizes 140, 150
13-14 years	145-155 cm height, 66-69 kg weight, sizes 150, 160
Around 15 years	155-165 cm height, 79-119 kg weight, sizes 160, 170

Additional details

Design details: simple round neck for easy wear, four-needle six-thread stitching for comfort without seams, custom elastic waistband that is snug but not tight

Thermal insulation and temperature increase data sourced from YEEHOO laboratory

Compliance with national standards GB/T35762-2017

Third-party testing confirms no harmful substances, durability, and colorfastness

Official inspection reports available

Suitable for cold weather, effectively blocks cold wind and maintains warmth

Ideal for active children to stay dry and comfortable during movement