
INTRODUCING THE FS2 HELMET DIAL PLATFORM
The BOA® Fit System featuring FS2 — Dynamic360™ micro-adjustable, multi-directional, precision fit, delivering improved connection with fewer pressure points.
Dynamic360™
Adaptive, low-friction, helmet fit system uniformly wraps the head to balance tension, reduce peak pressure, and deliver a 6% stronger hold.

BOA® Fit System
FS2 — Dynamic360™

Traditional Fit System
Specialized S-Works Evade 4
Specialized introduces the S-Works Evade 4 helmet with the BOA® Fit System featuring the all-new FS2 dial platform, which provides a micro-adjustable, Dynamic360™ wrap designed to deliver a more uniform and secure fit that reduces pressure points.
MICRO-ADJUSTABLE &
MULTI-DIRECTIONAL
Effortlessly rotate the dial clockwise or counterclockwise to tighten or loosen fit with 40% finer adjustment resolution than traditional fit systems.
VERTICAL FIT ADJUSTMENT
Yoke ladder allows for customized yoke placement with 11 vertical positions 4mm apart for a personalized fit to the head.
DURABLE
Engineered to perform in the toughest conditions.
MAKING THE BEST GEAR EVEN BETTER.
Integrated into helmets for road cycling, mountain biking, skiing and snowboarding.