The helmet is designed to integrate well with HJC's Sena Bluetooth headset

Here's a detailed description of their features:ProtectionCE API 2122 Approved: Meets rigorous safety standards for impact protection

Soft and Comfortable: The Windstopper fabric is soft to the touch

An effective ventilation system consists of adjustable air intakes on the top and chin bar

IMPORTANT: The KRE+ Carbon helmet models (all models and graphics) have FIM approval from size XS to size L

ZEUS CASCO JET ZS-617 MATT BLACK SILVER Color:BLACK SILVER The helmet is designed toThe ZS 617 inner lining is made with different breathable fabrics and reinforced with soft material to provide a perfect fit, greater wearing comfort and an unusual look. The inner side lining is designed with two pockets prepared to receive Bluetooth headphones