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❄️ Stay warm, stay unstoppable — Rocky Boys Thermal Sets got your back!
Rocky Boys Thermal Sets feature a premium fleece-lined polyester-spandex blend that delivers superior warmth and moisture-wicking performance. Engineered with a stay-put design, these thermals remain secure under heavy outerwear, providing all-day comfort without itchiness. Durable and machine washable, they’re the perfect base layer for active kids facing cold weather, combining functionality with cozy softness.
| ASIN | B01M12L67P |
| ASIN | B0G313TKTR |
| Age Range Description | Little Kid |
| Apparel Closure Type | Pull On |
| Best Sellers Rank | #429,677 in Fashion ( See Top 100 in Fashion ) #143 in Boys' Thermal Underwear Sets |
| Brand Name | Rocky |
| Collection Name | Rocky |
| Color | Black |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,305) |
| Customer reviews | 4.5 4.5 out of 5 stars (1,305) |
| Date First Available | 19 November 2025 |
| Department | boys |
| Fabric Type | 90% Polyester, 10% Spandex |
| Fit Type | Loose, loose Stretch |
| Manufacturer | Rocky |
| Manufacturer | ROCKY |
| Manufacturer Part Number | LYSB01M12L67P-SPRTSEQIP |
| Material Type | polyester blend |
| Neck Style | Crew Neck |
| Occasion Type | Everyday |
| Package Quantity | 1 |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | L |
| Sleeve Type | Long Sleeve |
| Style Name | Snug |
| Style Number | 85BKL |
| UPC | 789900659432 |
| Unit Count | 1 Count |
K**R
Very nice quality. Fits true to size. Perfect as a base layer.
H**A
This product deserves no stars and the seller should be banned by Amazon for selling used items. It arrived with the material all flaked with bubbles as if it had been used and washed numerous times. This is truly shameful. The material also very substandard.
N**A
Super soft and true to size. My 11 year old son got well in the large
B**N
Decent base layer. The top is too short for my son but he is tall. Bottoms fit fine.
J**O
Great Product for youth baseball