Miiow Men's Thermal Underwear Set 100% Cotton Class A Baby Cotton Antibacterial Autumn Shirt and Pants

Deodorizing performance compliant with GB/T33610-2017, effectively reducing ammonia odor by ≥70% (96.9%), acetic acid odor by ≥70% (85.0%), and isovaleric acid odor by ≥85% (96.0%)

Natural cotton fibers with heat-retention properties, creating a fluffy air layer that locks in body warmth even in -5°C snowy wind conditions

Enhanced fluffiness with 3 times the loft compared to traditional cotton due to fiber gap release during stretching, forming a long-lasting physical thermal barrier

Comfortable fit with reinforced hem and aesthetically pleasing design

Classic crew neck style

Fabric upgraded from Class B to Class A for improved quality

Men's thermal underwear set with waist wrap design

XL (height 165-175 cm, weight 50-60 kg)

2XL (height 170-180 cm, weight 60-70 kg)

3XL (height 175-185 cm, weight 70-80 kg)

4XL (height 180-190 cm, weight 80-90 kg)

Follow recommended washing instructions to maintain fabric quality and antibacterial properties

Sourced from cotton grown under optimal conditions with abundant sunlight, significant day-night temperature differences (15-20°C), and irrigation from pure snowmelt water

Fabric is tightly serged and spun with low twist for superior softness and durability

Certified first-class A grade fabric ensuring safety and comfort for sensitive skin