• [Dual-Sided Condensation Valve] Our cycling mask features a dual-sided condensation breathing valve that closes during inhalation and opens during exhalation, ensuring a refreshing airflow without feeling stuffy. Enjoy comfortable breathing while you ride
• [Enhanced Breathability] Equipped with breathable vents on both sides, this mask provides warmth without sacrificing ventilation. Experience easy and comfortable breathing, making it ideal for long rides in cold weather
• [Helmet Compatible] Designed for versatility, this mask can be worn with helmets, offering both safety and warmth during your outdoor adventures. Stay protected while enjoying the great outdoors in chilly conditions
• [Adjustable Nose Clip] The adjustable nose clip ensures a snug fit, preventing cold air from seeping in. Provides enhanced comfort and a secure seal, making it perfect for all outdoor activities
• [Replaceable Activated Carbon Filter] With a replaceable activated carbon filter. The filter lasts about 30 days under normal conditions, while we recommend changing it every 2 days during high-activity periods. Breathe easy and enjoy cleaner air while riding

Specifications:

• Size: One size fits all
• Weight: About 112g
• Material: Polyester + polar fleece lining
• Features: Thickened and warm, with breathing valve, built-in filter