K2 helmet phase pro audio helmet black. PHASEPRO extension Active Venting in a Low-Profile Hard Shell. DESCRIPTION & SPECS The Phase is K2's heavy-duty shield against hard-hitters. This hard shell ski helmet is built to last and will carry safety, style, and comfort from season to season with its customizable K2DialedT fit system. A seamlessly integrated K2 Baseline Audio System lets you call in "sick" from the slopes, and Active Matrix ventilation allows for climate control with the flip of a switch.
HELMET CONSTRUCTION: HARDSHELL FIT SYSTEM: DIALED VENTING: ACTIVE FEATURES: Hard Shell Construction, Full Wrap Liner, Active Matrix Ventilation, K2Dialed Fit, Baseline Audio COLOR: BLACK, GREEN, GRAY, NAVY, WHITE SIZE: S, M, L/XL HELMET SIZE CHART XS S / YOUTH ML / XL CIRCUMFERENCE (INCHES) 18 7/8" - 20 1/8" 20 1/2" - 21 5/8" 22" - 23 1/8" 23 1/2" - 24 3/8" CIRCUMFERENCE (CENTIMETERS) 48-51CM 51-55CM 55-59CM 59-62CM. The Phase is K2's heavy-duty shield against hard-hitters. FEATURES: Hard Shell Construction, Full Wrap Liner, Active Matrix Ventilation, K2Dialed Fit, Baseline Audio CIRCUMFERENCE (INCHES) 18 7/8" - 20 1/8" 20 1/2" - 21 5/8" 22" - 23 1/8" 23 1/2" - 24 3/8" CIRCUMFERENCE (CENTIMETERS) 48-51CM 51-55CM 55-59.