4FWarm thermal underwear (top) for children 4F 4FJRAW25UBRUM122-20S

Children's 4F thermal underwear - warmth and freedom on the slopes Children's thermal underwear is designed as a functional second layer that supports thermal comfort during winter activities. It's a practical solution for the slopes, walks, and everyday use in colder conditions. The 4FWarm technology helps retain heat close to the body, reducing its loss during movement. The brushed knit fabric on the inside is soft and pleasant to the touch, while effectively insulating against the cold. This model works well as a second layer worn under a ski or winter jacket. The stand-up collar protects the neck and improves thermal protection in this sensitive area. The slim fit fits snugly to the child's figure and easily fits under subsequent layers, without restricting freedom of movement or comfort during activity. PRODUCT FEATURES 4FWarm technology supporting thermal comfort brushed knit fabric on the inside with insulating properties intended to be worn as a second layer stand-up collar protecting the neck and nape slim fit to the figure comfort of wearing while moving