Bicycle cycling helmet

This CAIRBULL open-face cycling helmet combines rear-head coverage with an adjustable visor and dial-fit system. Its 18 vents use internal channels, with ten front/top openings and eight rear openings.

Construction and Fit

• In-mold polycarbonate shell with EPS liner.
• Thermoformed polystyrene reinforcement and supplier-described dual-density foam zones.
• Easy-turn, one-hand dial adjustment and quick-adjust chin strap.
• Adjustable CAIRBULL visor; the source describes accommodation for goggles, without confirming universal compatibility.
• Mesh-covered front vents for helping keep insects and debris out.
• No reflective rear sticker is listed.

Padding and Sizes

• Removable, hand-washable inner padding described as Coolmax material, plus chin padding.
• One extra set of 8 mm washable anti-insect pads is listed.
• M: 54–58 cm; listed weight for M: 290 g.
• L: 58–62 cm.
• The source describes six color choices; consult the current options for available shades.

The source lists CE EN 1078 certification, but supporting test documentation is not provided here. Verify the actual helmet's marking and fit before use. The listing does not establish allergy suitability.