The boys' seamless thermal base-layer leggings from 4F Junior were designed as the first layer of clothing for skiing and other winter activities. The close-fitting construction sits well under ski trousers and allows the model to be comfortably worn as a first layer.

The 4FSkin technology makes the material fit closely to the body, providing a second-skin effect. The elastic construction moves with the body and supports freedom of movement during activity.

The seamless construction reduces the number of protruding material joins, helping to minimise the risk of chafing and irritation. This is particularly important for thermal underwear worn directly against the skin for extended periods.

The quick-drying finish supports comfort during exertion in winter conditions. The leggings form the functional bottom part of boys' thermal underwear, designed for skiing and use on cold days.

KEY FEATURES

• boys' thermal base-layer leggings 4F Junior
• 4FSkin technology
• second-skin fit
• seamless construction
• quick-drying finish
• designed as the first layer of clothing – first layer
• intended use: skiing and winter activities
• sizes: 128/134, 140/146, 152/158, 164