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4F thermal underwear for boys – a compression top and mid-rise leggings. The flexible 4Fskin material wicks moisture, regulates body temperature, and provides complete freedom of movement. Perfect as a base layer for the slopes and everyday activities.

Basic data

Brand 4F
Country of origin of the brand Poland
Sport Skiing, Sportstyle
Gender Boy
Season Year-round
Leading colour Blue
Model/product code M248 4FJWAW25USEAM248
Code 2000184022

Material

Material Elastane, Polyester, Polyamide
Merino wool content No

Product details

Matching Slim fit
Neckline Round
Leg length Long
Sleeve length Long
Breathability Yes
Quick-drying material Yes
Technologies 4FSkin
Seamless construction Yes

Warnings and producer's data

Producer OTCF S.A. | ul. Saska 25C | Kraków, Poland | 30-720 | info@otcf.pl

Children's thermal underwear set 4F M248 cobalt (4FJWAW25USEAM248)

Children’s 4F M248 cobalt thermal underwear set is the perfect solution for active children who need comfort and functionality in every situation. Made from a blend of polyamide, polyester, and elastane, the set offers excellent flexibility, allowing freedom of movement. The seamless design ensures no chafing and maximum wearing comfort, which is especially important during intense physical activity.

4FSkin Technology

The children’s 4F M248 cobalt thermal underwear set is equipped with 4FSkin technology, which provides an excellent fit to the body, emphasising the slim fit cut. This advanced technology helps maintain an optimal body temperature, allowing comfortable wear even on the coldest days. Thanks to the use of quick-drying materials, moisture is effectively wicked away, preventing feelings of cold and discomfort.

Breathability and Comfort

With high breathability, the children’s 4F M248 cobalt thermal underwear set allows efficient moisture management, helping to keep the skin dry. The round neckline and long sleeves and legs provide full coverage, further supporting thermal insulation. It is the ideal choice for children who value comfort and practicality during everyday activities.

Children’s 4F M248 cobalt thermal underwear set – features:

  • Seamless construction minimising the risk of chafing;
  • Materials providing flexibility and freedom of movement;
  • 4FSkin technology ensuring an excellent fit to the body;
  • Quick-drying fabric supporting wearing comfort;
  • High breathability enabling effective moisture management;
  • Slim fit cut providing an optimal body fit;
  • Round neckline and long sleeves for full coverage and thermal insulation.
4FSkin
The 4FSkin technology used by the 4F brand ensures a precise fit and comfort thanks to the elastic materials. Through flat seams or seamless technology, it minimises the risk of chafing.
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Children's thermal underwear set 4F M248 cobalt

Children's thermal underwear set 4F M248 cobalt

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Children's thermal underwear set 4F M248 cobalt

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Sizes table

    Below you will find information that will help you choose the right size when buying 4F boys' thermal underwear. All you need is a tape measure.

    Size 98 104 110 116 122 128 134 140 146 152 158 164
    Age 2-3 3-4 5-6 4-5 6-7 8-9 8-9 10-11 10-11 12-13 12-13 14-15
    Height (cm) 98 104 110 116 118-125 125-131 131-138 138-144 144-150 150-155 155-160 160-166
    Chest girth (cm) 54-55 55-56 56-57 57-59 61,5-64 64-67 67-69 69-72 72-76 76-80 80-84 84-86
    Waist size (cm) 52-53 53-54 54-55 55-56 57-58 58-60 60-61,5 61,5-64 64-65 65-67 67-70 70-74
    Hip circumference (cm) 56-57 60-61 62-63 64-65 65-67,5 67,5-71 71-73,5 73,5-76,5 76,5-81 81-85 85-87 87-90,5
    You save €6.00 €39.99
    €33.99
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