Combining comfort with superb performance, the Giro Sonnet Helmet offers great ventilation all thanks to the 25 Wind Tunnel™ vents and the adjustable Roc Loc® 5 fit system which enhances comfort and allows you to easily custom tune the fit in seconds single handedly. The In-Mold construction combines a tough polycarbonate outer shell with an impact-absorbing foam liner.
A versatile technical cycling helmet that guarantees to keep you protected
In-mold polycarbonate EPS Liner - Provides enhanced protection by spreading impacts across a wider area
25 Wind Tunnel™ vents – Enhances ventilation so your head feels cool
Roc Loc® 5 fit system – Enhances comfort and allows you to easily custom tune the fit in seconds
Womens series design - A diverse collection of helmet styles, fits and prices tailored to specifically to female riders
This product qualifies for the following delivery methods
Standard UK Delivery (7-10 working days) (£3.99)
A tracking link will be provided once your order is despatched.
Bike Delivery (7-10 working days) (£4.99)
Bike delivery is £4.99. This applies to all bikes, and these orders are upgraded to a DHL courier service.
Next Day Delivery (Delivered by Hermes) (£5.95)
Delivered by Hermes. Orders must be placed before 6pm to arrive the next day. Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.
Collect In Store (£1.00)
Delivery times and days vary for each store, but we will contact you when your order is ready to collect. Please do not contact our Customer Care team for updates until after the estimated delivery time in your order confirmation email.
Premium Next Day (Delivered by DPD) (£6.99)
Delivered by DPD. Orders must be placed before 6pm to arrive the next day. Next day cannot be offered in the following areas, and will be attempted within 48 hours: BT (all Northern Ireland), GY, IM, JE, KW11-17, HS, PH32-35, ZE.
From £4.99 to over 200 countries worldwide. Some restrictions apply.