By wearing a 4F men's hat, you will effectively prevent heat loss, so unfavorable weather will not be an excuse for autumn walks or going out with friends on a cold evening.The dominant acrylic knit is elastic, so it does not crease or wrinkle. it does not deform and does not cause allergies or skin irritations.In addition, in combination with the soft lining and the rolled edge, it creates very good insulation from the cold.The flexible, two-layer construction pleasantly wraps the head and adapts to its shape, so you will forget about discomfort and pressure for a long time.The navy blue color will add a timeless character to an autumn or winter outfit, and the rubber patch with the brand's logo is a subtle complement to the trendy design.When the temperature starts to drop dramatically, reach for the 4F winter hat.Technical data: · main material: 100% acrylic · lining: 100% polyester · size/head circumference: M/52-56 cm, L /56-60 cm