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MiiOW Men's Thermal Underwear Set Autumn Long Johns Thin Lenzing Modal Base Layer Pants
Specifications
Intended User Group Youth, Middle-aged
Style Casual style, Simple style
Collar type Crew neck
Material Other100%
Release date Autumn 2025
Patch No patch
Thickness Routine
Customizable or not Not customizable
Variants / Sale Attributes color: Platinum Gray (Thermal German Velvet + Lenzing Modal)
size: 4XL (Recommended for 170190 jin)
Package Contents thermal underwear
Product Description Product Specifications
Overview
Brand MiiOW
Product Type High-Tech Thermal Underwear Set (Men’s Base Layer/Winter Thermal Wear)
Main Fabric Lenzing Modal (soft, skin-friendly, lightweight, breathable)
Thermal Fiber German Velvet (Derong) heat-retaining fiber technology Features Anti-static Four-way stretch Similar Products
Suitable Gender
Male Heat-locking fiber curl structure forming insulating air layers Additional details
Warmth Technology Derong heat-retaining fiber with rapid temperature rise (average +3.2°C in 30 minutes, max +7.5°C)
Zoned Heating Targeted warming for key body areas
Heat Retention Fiber curl traps warm air to reduce heat loss Moisture Absorption & Heat Locking for continuous warmth
Additional details
Antibacterial Properties Tested against Staphylococcus aureus (≥85% inhibition), E. coli (≥70%), Candida albicans (≥70%), compliant with GB/T20944.3-2008 standard Durable after 150 washes in household washing machines
Anti-static to prevent static shocks in dry weather
Breathable and skin-friendly with no irritation
High elasticity for easy wear and shape retention
Tight cuff and hem binding to prevent wind penetration
Classic round neck (set) and refined stand collar (top) options
Brand logo with rhinestone embellishment, durable after multiple washes
Additional details
Seam construction tight, firm, and windproof
L Height 170 cm, Weight 50-60 kg
XL Height 175 cm, Weight 60-70 kg
2XL Height 180 cm, Weight 70-80 kg
3XL Height 185 cm, Weight 80-90 kg
4XL Height 190 cm, Weight 90-100 kg Size measurements may vary slightly; refer to actual product measurements
Gentle washing recommended; avoid vigorous pulling
Do not wash with hot water or disinfect with heat
Avoid high-temperature drying
Replace intimate wear every 2-3 months for hygiene
Suitable for temperatures ranging from 5°C to -10°C depending on warmth level (light, medium, heavy)
Designed for winter base layer or indoor thermal wear
Comfortable fit with 3cm wide elastic waistband featuring brand logo
No-sense tag for skin comfort
Third-party tested for heating performance and antibacterial efficacy
Meets FZ/T73036-2010 thermal underwear standards
MiiOW High-Tech Thermal Underwear combines global fabric technology and advanced German velvet heat-retaining fibers to provide superior warmth, comfort, and skin-friendliness. Ideal for cold winter conditions, it offers rapid heating, moisture management, antibacterial protection, and stylish design for everyday wear.
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