Zamp RZ-57 Air SNELL SA2025 GlossPrice Point Top Air Helmet Snell SA2025 Unmatched Value The ZAMP RZ 57 Air helmet combines the latest Snell SA2025 helmet technology with the best value in the market! This model provides minimal front venting and the Top Air attachment to run a Forced Air systemkeeping you cool and helping prevent fogging in extreme racing conditions. Inexpensive is redefined with the RZ 57, offering features and quality comparable to helmets that cost twice as much.