At 285 grams and over 40 vents, we have designed a helmet to out perform the competition. Through patented technology, we have unleashed an absurd amount of ventilation while still meeting safety standards. Worn by Chrissie Wellington in her record-setting 2009 Ironman World Championship title.
Weight: 10.1 oz/285 g Vents: 40 In-Mold Construction: Industrial process binding the microplastic and polystyrene together to add superior mechanical properties to these materials. Spiderlock Elite: Adjustable and detachable rack-and-pinion mechanism using only one hand to stabilize the helmet on the head. It is provided with ergonomic padding. Steplock Divider: Cam locking device to quickly adjust strap position. Sealed Airdry Padding: Washable sealed adjustment padding for enhanced durability, ergonomic design for optimum comfort. Evacuation channels: Moisture channels provide better airflow and moisture wicking. Super MSB Technology: Ring-shaped protection at the base of the helmet reinforces the perimeter to spread the shock of impact. Exo-Insert Technology: Lightweight inner plastic reinforcement spreads the shock of impact and helps maintain the helmet's structure. Composite Reinforcement: Inner composite-made frame which spread the shock of impacts. It provides support and protection while being lightweight. S: 6 1/2-7; 20 1/2" - 22"; 52-56 cm M: 7-7 3/8; 22" - 23 1/4"; 56-59 cm L: 7 3/8-7 3/4; 23 1/4" - 24 1/2"; 59-62 cm