• Ski hat with replaceable activated carbon filter, not only can keep warm but at the same time effectively separate harmful particles from entering, breathing more smoothly
• Thicken fleece material offers full facial protection from cold, wind, dust and snow. Super wind-proof and dust-proof, no worry that you may be allergic
• It is soft, breathable, comfortable to wear and very effective in keeping your head, face, ear, neck warm
• Suitable for outdoor use, such as hiking, camping, skiing, running, cycling, mountain climbing and so on
• One size, fits most people, ergonomic design provides perfect fit

Specifications:

• Brand: ROCKBROS
• Material: polyester + fleece lining
• size: one size
• Weight: about 112g
• Features: thicken and warm, with breathe valve, built-in filter