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This product is no longer available, but don't go just yet.


  • Helmet is made from a single piece of expanded polypropylene that keeps the helmet weight down to only 165g (5.8 oz.) while providing excellent impact resistance
  • Strap adjustment system is fully adjustable and adapts to all head shapes; strap system saves weight over ratcheting designs
  • Removable foam inside the helmet is quilted and lined with absorbent fabric to keep you comfortable when you're working up a sweat; foam is removable and washable
  • Magnetic buckle on the chin strap can easily be attached with just 1 hand
  • Plenty of vents allow cooling airflow
  • 2 hooks in front and elastic in back let you attach a headlamp (sold separately)
  • Petzl Sirroco Ultralight climbing helmet accommodates the Petzl Vizion visor (not included) to protect your eyes when ice climbing


View all Petzl Climbing Helmets

REI membership


Best Use Climbing
Head Circumference 48 - 56 / 53 - 61 centimeters
Weight 145 / 165 grams
Gender Unisex