REI-OUTLET offers the Bern Brentwood Bike Helmet in Matte Black, Matte Grey, or Satin White for $29.73 plus $5.99 for shipping. That's $39 under our mention from four weeks ago and the lowest total price we could find today in any color by $20. It features ZipMold lining, a flip visor, and internal ventilation channels. It's available in sizes S to XL.