The ADWATT 1.5 is the perfect compromise between aerodynamic, ventilation and comfort for particularly long riding sessions. Based on the ADWATT’s advanced technology, it was designed through enhanced wind tunnel testing to improve its drag force performance on the road, while keeping your head cool, making the ADWATT 1.5 your perfect triathlon helmet.

Sizing 

S
51-56 cm
20-22”

M
55-59 cm
21.6-23.2”

L
58-63 cm
22.8-24.8”

HJC Adwatt 1.5 Triathlon Helmet

£275.00Price