








🔥 Stay warm, stay unstoppable — the ultimate winter base layer for boys!
Rocky boys' thermal underwear set features a fleece-lined, moisture-wicking polyester blend designed for slim, straight fit and all-day comfort. Engineered to stay put under heavy winter layers, these durable, machine-washable thermals deliver cozy warmth without itchiness, making them a top choice for active kids in cold climates.





| ASIN | B0C6N1W1WB |
| ASIN | B0D97ZCRGK |
| Age Range Description | Little Kid |
| Apparel Closure Type | Pull On |
| Brand Name | Rocky |
| Collection Name | Winter |
| Color | Black |
| Customer Reviews | 4.6 4.6 out of 5 stars (33) |
| Customer reviews | 4.6 4.6 out of 5 stars (33) |
| Date First Available | 11 July 2023 |
| Department | boys |
| Fabric Type | Fleece lined |
| Fit Type | Slim, straight |
| Global Trade Identification Number | 00810115365334 |
| Manufacturer | Rocky |
| Manufacturer | ROCKY |
| Material Type | Polyester Blend |
| Neck Style | Crew Neck |
| Pattern | Solid |
| Product Care Instructions | Machine Wash |
| Size | M |
| Sleeve Type | Long Sleeve |
| Style Name | Snug |
| Style Number | 85BKM-2pk |
J**T
Five year old twins love these on cold Chicago nights
C**N
Our twelve year old son really loved the two pair we purchased for him.
A**R
Be aware of the size! Bought the XS for my 38 lb. - 4y for a ski trip but ended up wearing them myself. (155 lb. 5'7") Needless to say they have great elasticity & they were comfy cozy & warm.
M**N
that they keep my grandson warm
P**I
Loved the fabric, comfort and tge coziness