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MiiOW Men's Thermal Underwear Autumn Pants A-Class Pure Cotton Warm Pants Men's Underpants-Free Base Layer Long Johns Single Pants

MiiOW•thermal underwear

MiiOW Men's Thermal Underwear Autumn Pants A-Class Pure Cotton Warm Pants Men's Underpants-Free Base Layer Long Johns Single Pants

CN¥59.70

SKU: 100262116498

Status:In Stock (2)

ID: 100119830691

Weight: 300.00 g

Dims:290x250x50 mm

Specifications

Lining material: Cotton
Suitable Gender: Male
Waist shape: Natural waist
Functions: antibacterial, anti-odor
Style: Casual style, Simple style
Material: Cotton95%, Spandex (polyurethane elastic fiber)5%
Customizable or not: Not customizable
Zipper fly: Elasticity

Variants / Sale Attributes

color: Dark Gray (Class A Cotton + Antibacterial and MiteResistant + No Underwear Needed)

size: L (Recommended for 4555 kg)

Package Contents

1 pair of thermal pants

Product Description

Product Specifications

Overview

Brand: MiiOW
Product Type: Thermal underwear bottoms for early winter; can be worn as base layer or standalone without underwear
Outer fabric: 95% cotton, 5% spandex
Crotch lining: 95% regenerated cellulose fiber, 5% spandex

80S combed long-staple cotton from Xinjiang (A-class quality)

Warm fiber technology blend for moisture absorption and rapid heat retention

Antibacterial 10A upgraded crotch

Full-body anti-mite treatment, skin-friendly

Lightweight 170g fabric, thin yet warm

High elasticity with moderate to high stretch

Soft, smooth, and comfortable texture with cloud-like softness

Meets GB18401-2010 A-class safety standard and antibacterial standards GB/T20944.3-2008 and GB/T24253-2009

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Operating temperature

0°~15°

Release date

Autumn 2025

Intended User Group

Youth, Middle-aged

Fleece-lined

No fleece

Pants length

Long pants

3D ergonomic cutting for a slim, fitted, and comfortable fit

High-elastic waistband with refined logo printing

Flat and precise hemming at cuffs to prevent wind intrusion and skin irritation

Seamless crotch design for no binding or pinching

Four-way stretch fabric for close skin fit without tightness

Durable shape retention after repeated washing (300+ washes)

Suitable for mild to severe cold weather

Item	Detail
Light warmth	5°C to 15°C
Medium warmth	-5°C to 5°C
Extra warmth	-10°C to -5°C

Zoned heating areas for key body parts

Rapid temperature lock-in and moisture management

10A antibacterial rating with proven efficacy after 300 washes

Anti-mite fabric technology tested to repel mites effectively

Suitable for sensitive skin

Additional details

XL: Weight 90-110 jin (approx. 45-55 kg), pants size 29-31
2XL: Weight 110-130 jin (approx. 55-65 kg), pants size 31-33
3XL: Weight 130-150 jin (approx. 65-75 kg), pants size 33-36
4XL: Weight 150-170 jin (approx. 75-85 kg), pants size 36-38
M: Weight 85-100 jin (approx. 42.5-50 kg), pants size 23-25
L: Weight 100-120 jin (approx. 50-60 kg), pants size 25-27
XL: Weight 120-135 jin (approx. 60-67.5 kg), pants size 27-29
2XL: Weight 135-150 jin (approx. 67.5-75 kg), pants size 29-31
Men’s: Dark Gray, Light Gray, Royal Blue, Black
Women’s: Dusty Pink, Wheat Beige, Chocolate Brown

National Textile Product Basic Safety Technical Specification (2010) – A-class

Knitted Underwear Quality Standard (2023) – Qualified product

Antibacterial and anti-mite testing reports issued between Dec 2024 and Feb 2025 by authorized third-party labs

Designed for comfort and warmth without bulk

Suitable for wearing without underwear due to antibacterial and skin-friendly properties

Data based on third-party testing and may have slight variations; actual product measurements prevail