Seamless underwear for boys 4F M149 cobalt 4FJWAW24USEAM149 36S Underwear for boys 4F provides high thermal insulation properties and thermal comfort both during long hours spent on the slope and favorite everyday activities on cold days.  Technical data:· Cut: compressive, which tightly fits to the figure· Standard T-shirt cut reaching to the hips· Leggings with a mid-rise and long legs· Made of synthetic material, which provides and is durable and easy to care for· The addition of polyester (33%) makes the material durable and resistant to wear for many seasons· Uniform colours that match many styles· Seamless construction, will work as the first for layer of clothing (first layer) Round neck of the shirt 4FSkin technology ensures a perfect fit and freedom of movement Main material: 62% polyamide, 22% polyester, 5% elastane Set: top bottom