Features: Ergonomic-design, perfect fit with the face, comfortable and no sense of strangeness. Honeycomb free knitting technology is-adopted at the nose and mouth to keep warm and windproof, while keeping breathing smooth. Ear-hanging design-prevents falling off and promotes better athletic performance.And unique and effective temperature control, when you feel cold, you can lock the temperature circularly to keep warm; When sweating, the sweat channel technology is-adjusted by air. High-quality polyester fiber elastic material, moisture wicking, heat storage and warmth, water-outer layer, soft texture, comfortable and breathable, warm, dust-proof, wind-proof, smog-proof and UV-proof. The honeycomb vents in the face area increase the air-mobility, and there is-no sultry feeling when wearing, and breathe freely, keeping warmth. Wide range of uses, suitable for outdoor sports such as cycling, mountaineering, and hiking, giving you-a comfortable riding experience. Specifications: Material:Polyamide Fibre Size: As Picture Shown Color:Black/Yellow Note: .Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. .Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thanks for your understandings. Package includes: 1x Face Mask