








❄️ Warmth that moves with your little hero—comfort meets performance!
HEROBIKER boys Classic Base Layer pack of 2 features ultra-soft polyester-spandex blend with fleece lining for superior thermal retention. Engineered with moisture-wicking breathability and four-way stretch, this lightweight thermal set offers a slim, comfortable fit ideal for active kids. Perfect for layering under any outfit, it’s durable, shrink-resistant, and designed to keep boys warm and dry during all winter activities.





| ASIN | B07ZWHX12M |
| ASIN | B0HF7W5ZKV |
| Age Range Description | Kid |
| Apparel Closure Type | Pull On |
| Apparel Fabric Stretch | High Stretch |
| Apparel Fabric Weight Class | Lightweight |
| Best Sellers Rank | #190,093 in Fashion ( See Top 100 in Fashion ) #58 in Boys' Thermal Underwear Sets |
| Brand Name | HEROBIKER |
| Collection Name | thermal underwear |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (637) |
| Customer reviews | 4.5 4.5 out of 5 stars (637) |
| Date First Available | 2 October 2019 |
| Department | boys |
| Fabric Type | 92% ultra-soft polyester 8% spandex |
| Fit Type | fitted, loose fitted fitted Regular |
| Fit to Size Sentiment | Positive |
| Garment Size Country | United States |
| Import Designation | Imported |
| Item Type Name | Base Layer |
| Item model number | MX1003 |
| Manufacturer | HEROBIKER |
| Manufacturer | HEROBIKER |
| Manufacturer Part Number | HEROBIKER |
| Material Type | Polyester |
| Neck Style | Crew Neck |
| Number of Items | 2 |
| Occasion Type | Formal |
| Package Quantity | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | S |
| Sleeve Type | Long Sleeve |
| Style Name | Classic |
| Style Number | MX1003 |
| UPC | 792966158153 |
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