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Petzl Fly Harness

Size: S

The Petzl Fly Harness is a minimalist, lightweight and innovative harness designed for technical mountaineering and ski mountaineering.

Ultra-lightweight, the Petzl Fly Harness can be put on with both feet on the ground thanks to its break down structure. Constructed without a buckle, the harness is compact and weighs only 130g (size M). The comfort foam is removable and can further decrease the weight to only 100g, allowing for a pure minimalistic approach. The multiple gear loops and the ice-screw retainers can transport all the equipment required on technical outings.


  • Designed for technical mountaineering and ski mountaineering
  • Can be donned with both feet on the ground, while wearing skis or crampons
  • Only 100 g (size M) with comfort foam removed, and 130 g with foam. The extremely light weight and the body-hugging fit offer complete freedom to move without worrying about the harness
  • Innovative buckle-free construction (Petzl patent). A sliding toggle lock replaces the metal buckle for quick and easy waist-belt adjustment. The leg loops are adjusted with a girth hitch
  • Slim design
  • Minimalist pouch allows the harness to be compressed to reduce bulk in the pack
  • FUSEFRAME technology with removable foam, for adapting the comfort level of the harness to the activity. The comfort foam on the leg loops and waist-belt can be easily removed, making the harness even lighter
  • Comfort foam optimally distributes the load, making suspensions more comfortable
  • Two gear loops and four additional loops for organisation and transport of the equipment required for technical outings
  • Retainer with silicone interior on each leg loop, for carrying an ice screw
  • Attachment points, webbing and gear loops reinforced with high-modulus polyethylene (HMPE), for greater resistance to abrasion and rubbing


    • Gender: Unisex
    • Adjustable Legs: Yes
    • Drop Seat: Yes
    • Gear Loops: 2
    • Haul Loop: No
    • Ice Clipper: Yes
    • Quick Buckles: No
    • Weight: 120g (M)


      Size Waist Leg
      66-76 cm
      50-56 cm
      M 76-86 cm 52-58 cm
      L 86-96 cm 54-60 cm

        Personal Shopping - By Appointment

        Would you like to try on some climbing shoes, running shoes or mountain boots for size before you make your purchase? If so, then why not book an appointment with us today! We can offer you a bespoke one-on-one shopping experience with one of our experienced staff members.

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