6D HELMETS ATR-1 Liner Replacement Insert for Improved Comfort and Impact Protection

Replacement liner for 6D Helmets ATR-1 helmets. Restore comfort, fit and hygiene with a precision-made, breathable replacement liner engineered to match the original shell geometry and impact-mitigation design. Moisture-wicking and antimicrobial materials keep you cool and reduce odor during long rides, while plush, contoured padding delivers consistent comfort and proper helmet fit. Easy to remove and reinstall for quick cleaning — machine-washable on a gentle cycle (air-dry recommended) — so your helmet stays fresh and ride-ready. Designed for durability and reliable performance, this replacement liner helps maintain the helmet’s comfort and protective characteristics over time. Available in a full range of sizes to ensure the right fit for your helmet. Ideal for riders who demand hygiene, comfort and long-term performance from their helmet accessories.