• Sterno: Comfortable shoulder straps for an ascent system using SRS techniques
  • Sterno (back): Comfortable shoulder straps for an ascent system using SRS techniques - imagen 2
  • Sterno (details): Comfortable shoulder straps for an ascent system using SRS techniques - imagen 3
  • Sterno (details): Comfortable shoulder straps for an ascent system using SRS techniques - imagen 4
  • Sterno (details): Comfortable shoulder straps for an ascent system using SRS techniques - imagen 5

Petzl STERNO Shoulder Straps

Petzl |
SKU: C092AA00
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3 Years
  • For ascent systems using SRS technique. Keeps the system raised during tree care work.
  • 3 connection heights for personalized adjustment. Hybrid metal buckles, adjustable and easy to open.
  • Wide on the shoulders, non-fixed bridge. Reduces neck chafing, more freedom of movement.
  • Weight 130 g, one size. Not personal protective equipment (PPE).
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Petzl STERNO Shoulder Straps
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Petzl VOLT® International Version Work Seat
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Petzl International VOLT® Work Positioning and Fall-Arrest Harness
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Petzl STERNO Shoulder Straps

The Petzl STERNO Shoulder Straps are comfortable, low-profile shoulder straps designed for ascent systems using the SRS technique in tree care. They help keep the ascent system raised while climbing and can be adjusted for a more personalised fit.

Key Features & Highlights

  • Designed for Tree Care: Specifically developed for ascent systems using the SRS technique.
  • Low-Profile Comfort: Narrow straps sit wider across the shoulders to help reduce neck chafing.
  • Three Connection Heights: Allows the ascent system to be positioned to suit the user.
  • Adjustable Hybrid Buckles: Metal buckles can be opened, closed and adjusted for easy fitting.
  • Rear Adjustment: Rear buckles allow the shoulder straps to be adapted to different body sizes.
  • Easy Orientation: Different colours on the inside and outside make correct strap positioning easier to identify.

Is This Right for You?

Ideal for: Tree care professionals using an SRS ascent system who want comfortable, adjustable shoulder straps with a low-profile design.

Not for: Applications requiring certified PPE. The Petzl STERNO Shoulder Straps are not personal protective equipment (PPE).

Comfortable SRS Shoulder Straps for Tree Care

The Petzl STERNO Shoulder Straps are designed to keep an SRS ascent system raised while moving through the tree. Their narrow, low-profile construction and wider shoulder contact area provide a comfortable fit, while the adjustable rear buckles help accommodate different body sizes.

Easy Adjustment and Connection

Three connection heights allow the ascent system to be adjusted to the user's preferred position. The front bridge is not fixed, providing greater freedom of movement, while the hybrid metal buckles make the straps easy to put on, remove and adjust.

Compatible and Related Equipment

The Petzl STERNO Shoulder Straps are compatible with accessories such as MINO and non-PPE carabiners. They are also related to the Petzl tree care harness range, including SEQUOIA and SEQUOIA PLUS harnesses.

Explore More Petzl Equipment

Explore the full Petzl range at MTN Shop EU for professional tree care, climbing and work-at-height equipment.

Frequently Asked Questions

If the Petzl STERNO is not PPE, why would I need it in a safety configuration for work at height?
The STERNO itself does not replace certified protective equipment. It's a comfort and organization accessory that positions the ascent system during work and keeps it within reach, reducing the manual effort of holding or readjusting the system during ascent. The actual safety equipment (harness, ascent system itself) remains separately certified equipment.
Does the Petzl STERNO work with any SRS ascent system, or only with Petzl products?
The official Petzl description doesn't list an explicit restriction to specific brands of ascent systems. However, since the STERNO was developed around SRS technique and Petzl's own connection heights, the most reliable and tested fit is with Petzl systems (for example, in combination with the SEQUOIA PLUS). When using equipment from other manufacturers, it's advisable to check physical compatibility beforehand.
Why is the STERNO's front bridge not fixed, and does this affect the system's stability?
The loose bridge allows for more shoulder freedom of movement while climbing, which reduces fatigue during longer ascents. This isn't a safety concern, since the STERNO is not PPE. Its function is ergonomic comfort, not load-bearing.
Does the Petzl STERNO's one-size design fit any body type, or is there a risk of it being too tight or too loose?
The rear adjustment buckles cover a wide range of body sizes, but "adjustable one-size" doesn't mean it will fit everyone perfectly. For shoulders that are notably narrower or broader than average, it's worth trying it on before buying, since no alternative size is available if the fit isn't right.

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