English/Western Micro (Upper/Lower) 14.1 oz Removable SEI
GPS IITM The GPS II adds "quick-fit" to the original GPS system. The soft-touch dial permits quick and precise helmet adjustment.

Equestrian Riding Helmet Tough and practical, the Spirit is engineered for the demands of everyday use. The GPS II™ Dial Fit System provides an adjustable fit, perfect for growing kids and changing hairstyles