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Item #: 331725109

Even the most durable bike helmet will do you no good if you do not wear it. If you want the ultimate in protection, you need a helmet that is comfortable, stylish and a delight to wear. The Giro Atmos II Bike Helmet is that helmet, providing the ultimate in protection and helping you stay safer wherever your travels take you.


  • In-mold polycarbonate shell and EPS liner for greater comfort and durability
  • Reinforced with thermoformed SL
  • Slimline buckle and featherweight webbing for cool comfort
  • Internally reinforced roll cage for greater safety
  • Roc Loc 5 system for better fit
  • The 26 wind tunnel vents feature internal channeling for better airflow


  • Small 51-55 cm
  • Medium 55-59 cm


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