Songshanmiandian Xiaonuan Yang 320 Men's Thermal Underwear, Autumn And Winter Fleece-Lined Thick Warm Long Johns, Contains Wool, Less Itchy

Real wearer fitting feedback included for reference

Contains Australian imported Merino wool with natural fiber crimp forming micro insulation layers to block cold air

Innovative spinning technology wraps wool fibers inside yarn for all-day comfort without itchiness

Double-layer high waist design for warm abdomen and waist

Double-sided fleece fabric, medium thickness, soft touch, slight elasticity

Anti-static treatment to prevent lint, dust adhesion, and skin irritation; meets GB/T12703.1-2021 standard

High breathability with 220 mm/s air permeability, compliant with GB/T5453-1997

7A antibacterial performance remains effective after 150 washes; inhibits Staphylococcus aureus (99%), E. coli (99%), Candida albicans (94%); meets T/SZTIA001-2023 standard

Moisture absorption and heat generation technology with max temperature rise of 6.7°C; meets FZ/T73036-2010 standard

Thermal insulation rate 30.3%, compliant with GB/T11048-1989 standard

Baby-safe, no fluorescent agents, meets FZ/T64051-2014 standard

Softness level 2, surpassing standard T/CTES1017-2019

Four-needle six-thread seams for skin comfort

Close-fitting ankle cuffs to prevent wind intrusion

Exquisite brand logo detailing

Double-layer warm abdomen and waist design for enhanced comfort and sweat absorption

Suitable for running and fitness without causing sweat accumulation or static cling

Easy to wear and remove without leg binding, suitable for layering

Dark Gray

Dark Blue

Black

Size measurements are manual with a 1-2 cm tolerance

For sizing questions, please consult customer service before purchase

Data on warmth and temperature rise are based on laboratory environment and for reference only

The Xiaonuan Yang 320 men's thermal pants combine advanced fabric technology and ergonomic design to provide superior warmth, breathability, antibacterial protection, and comfort without bulkiness. Ideal for autumn and winter wear in cold and damp conditions, these pants ensure all-day warmth and a flattering fit.