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MiiOW Kids Acrylic Thermal Underwear Set Thickened Autumn Winter Pajamas Boys Long Johns Top and Bottom

MiiOW•Children's thermal underwear

MiiOW Kids Acrylic Thermal Underwear Set Thickened Autumn Winter Pajamas Boys Long Johns Top and Bottom

CN¥109.00

SKU: 100215739569

Status:Out of Stock

ID: 100215739569

Weight: 400.00 g

Dims:282x225x52 mm

Specifications

Pattern: Solid color
Collar type: Mock turtleneck
Suitable Gender: Universal
Can be worn outside: Not wearable outside
Customizable or not: Not customizable
Patch: No patch
Release date: Winter 2025
Category: Thermal underwear set

Variants / Sale Attributes

Color: Deep Blue (Soft and Skinfriendly)

Size: 140

Package Contents

One set of thermal underwear

Product Description

Product Specifications

Overview

Brand: MiiOW
Product Name: Acrylic Thermal Wear
Spandex: 4.6%
Acrylic: 54.0%
Viscose Fiber: 41.4%
Fabric Weight: 320 g
Colors Available: Dark Gray, Pink

A-WarmMAX technology for maximum cold resistance and warmth retention

Owarm acrylic heating fabric combined with acrylic thermal technology fiber for winter warmth

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Material

Acrylic fiber (polyacrylonitrile fiber)

Thickness

Routine

Fleece-lined

No fleece

Inner fleece maintains body surface temperature; outer layer blocks cold air intrusion for layered defense

Additional details

Maximum temperature increase: +7.0°C
Average temperature increase within 30 minutes: +2.1°C

Soft, elastic, and thick yet lightweight fabric with excellent moisture absorption

Double-sided fleece for enhanced warmth and softness

Anti-pilling, instant softness, and consistent heat retention

High elasticity for comfortable movement and no burden during activities

Heat-sensitive color change feature indicating body temperature increase (color variation normal due to production batches)

Mid-high collar design to keep neck warm, simple and easy to match

Elastic cuffs and reinforced hems for durability

Elastic waistband for a snug fit, collar maintains shape without deformation

Additional details

Product Grade: Class A

Tested and certified for safety and heating performance

Additional details

Test Report Number: 24100486CN
Size 120: Length 44 cm, Chest 32 cm, Pants Length 66 cm (110-120 cm / 50-60 kg)
Size 130: Length 47 cm, Chest 34 cm, Pants Length 72 cm (120-130 cm / 60-70 kg)
Size 140: Length 50 cm, Chest 36 cm, Pants Length 78 cm (130-140 cm / 70-80 kg)
Size 150: Length 53 cm, Chest 38 cm, Pants Length 84 cm (140-150 cm / 80-90 kg)
Size 160: Length 56 cm, Chest 40 cm, Pants Length 90 cm (150-160 cm / 90-100 kg)
Size 170: Length 59 cm, Chest 42 cm, Pants Length 96 cm (up to 170 cm / 100-110 kg)
Fabric elasticity: High
Hand feel: Soft and comfortable
Thickness: Moderate and suitable for winter wear
Design details: Elastic cuffs, reinforced stitching, elastic waistband, mid-high collar
Weight: 320 g

Heat-up performance tested under controlled humidity and temperature conditions

Due to production batch differences, the heat-induced color change may vary and is considered normal.

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