acrylic, polyester// closure/Double Layer Design: the neck gaiters for men adopt double layer design, the outer layer is made of acrylic and the inner layer made of polyester material, soft and comfortable, sturdy and reliable, not easy to tear or fadeEasy to Stretch: the neck mask for men has a certain elasticity, easy to scratch, measuring about 9.4 x 8.3 inch/ 24 x 21 cm, suitable for most men to wear, not too tight or too loose, will not put too much burden on your neckKeep You Warm: the neck warmer is warm and windproof, which can provide nice protection for your neck, you can also pull it on your face, to keep your ears, nose, and face from cold wind and snow, so you can stay warm in winterWide Application: the gaiter mask for men is suitable for many outdoor activities, including running, cycling, hiking, skating, camping, skiing, climbing and more, also nice for your daily wearEnough to Use: you will receive 4 pieces of neck scarf for men in 4 colors, namely black, light gray, blue, army green, abundant in quantity and rich in color, enough to choose and replace, easy to meet your daily wear needsFeatures: You can send the men ski scarf to your husband, father, brother, boyfriend, grandfather on birthday, Christmas and Thanksgiving. They will feel your care and love. The winter mask for men is proper in size and light in weight, convenient to store and carry, can be put in your bag or backpack, without taking up too much space. Specifications: Material: acrylic, polyester Color: black, light gray, blue, army green Size: one size, about 9.4 x 8.3 inches/ 24 x 21 cm Package includes: 4 x Neck gaiters for men Notes: Manual measurement, please allow slight errors on size. The color may exist slight difference due to different screen displays.