High-Density Yarn for Softness and Quality
Double-Layer Edge Craftsmanship for Comfort and Smoothness
Classic Round Neck Design
High Elasticity Wide Waistband for Secure and Comfortable Fit
Button-Free Crotch Design for Breathability and Comfort at Home
Invisible SEPTWOLVES Wolf Head Logo Print, with two random chest logo variations per batch
Free from Carcinogenic Aromatic Amines (Below Detection Limit 5 mg/kg)
Additional Information:
The fleece layer provides dense warmth retention and heat insulation.
Outer layer resists cold wind using high-weight Xinjiang long-staple cotton without bulkiness.
Designed for autumn and winter thermal protection with enhanced thickness yet freedom of movement.
Convenient front opening and comfortable fit suitable for home wear.
Product meets FZ/T73022-2019 execution standard.
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| Width | 24.2 |
| Height | 6.3 |
| NetWeight | 0.828 |
| Brand | SEPTWOLVES |
| Product Name | Men's Basic Thermal Underwear Set |
| Outer Layer | 93% Cotton, 7% Spandex |
| Inner Layer | 100% Polyester Fleece |
| Connecting Thread | 100% Polyester |
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| Suitable Temperature Range | -10°C to 5°C |
| Anti-Pilling Grade | ≥3 |
| Breathability | ≥180 mm/s (measured 474 mm/s) |
| Bursting Strength | 2,525 N/m |
| Heat Retention Rate | 42.50% (Standard ≥30%) |
| Washing Instructions | Wash below 30°C, Do Not Bleach, Do Not Dry Clean, Iron at Max 110°C |
| Safety Standard | Complies with GB18401 Category B |
| Product Grade | Qualified |