Petzl SEQUOIA Arborist Climbing Harness - Tree Care Sit Harness for UK Arborists

The Petzl SEQUOIA (part number C069AA00) is a professional tree care sit harness built for UK arborists, tree surgeons and forestry professionals working on doubled-rope (MRS) climbing systems. Weighing 1.53kg in Size 0, it combines an extra-wide, semi-rigid waistbelt and leg loops with sculpted, breathable 3D foam padding across all contact zones, delivering the support and comfort needed for extended suspension work throughout the canopy. A FAST opening buckle on the waistbelt allows fast donning and adjustment without losing the set position — even with gloves — while FAST LT PLUS buckles on the leg loops incorporate an integrated locking system to prevent accidental release during climbing. Available in three sizes (0, 1 and 2) in black and yellow from Gustharts, an authorised UK supplier with UK stock.

Petzl is a French manufacturer of professional lighting, climbing equipment and work-at-height safety gear, widely regarded as the benchmark brand in professional arboriculture for harness design, attachment point geometry and technical equipment integration. The SEQUOIA is certified to CE EN 813, CE EN 358 and UKCA for the UK market, and is designed to work seamlessly with the broader Petzl tree care system — including ZILLON and MICROFLIP positioning lanyards, CARITOOL tool holders, the SEQUOIA shoulder strap accessory, the TOP chest harness and the FIRSTAID pouch.

Key Features

• Extra-wide, semi-rigid waistbelt and leg loops — provide optimal support and body positioning throughout the workday during suspended tree care work
• Sculpted 3D foam padding — breathable, contoured padding across all contact zones for sustained comfort during prolonged suspension
• FAST buckle on waistbelt — quick, secure opening and closing without loss of adjustment, operational even with gloves on site
• FAST LT PLUS buckles on leg loops — integrated locking system reduces risk of accidental release during climbing and canopy work
• DOUBLEBACK buckles with anti-slip device — adjustable setback stays firmly in position once set without creeping under load
• Wide front attachment points — accept up to two attachment bridges; directly compatible with ZILLON and MICROFLIP work positioning lanyards without additional hardware
• Mobile side attachment points — follow the orientation of the lanyard during lateral movement in the canopy
• Attachment bridge for optimal lateral mobility — RING and SWIVEL accessories can be installed directly on the bridge
• 6 pre-shaped equipment loops on waistbelt — carry the full range of equipment needed for canopy work, organised and accessible
• 10 CARITOOL slots — 4 on the waistbelt and 2 on each leg loop for systematic tool organisation
• Textile chainsaw leash connection point — dedicated attachment for saw lanyards on the waistbelt
• FIRSTAID pouch compatible — dedicated slot on rear of waistbelt; elastic band included for alternative kit configurations
• Shoulder strap connection points — textile attachment points on the upper waistbelt accept SEQUOIA or alternative shoulder straps for improved load distribution on extended days
• Convertible to full-body harness — rear plastic buckle and RING M on bridge accept the Petzl TOP chest harness
• KNEE ASCENT compatible — complete KNEE ASCENT kit installs on the waistbelt for increased SRS technique efficiency
• Seat compatible — front D-rings accept a seat via shackles (not included) for prolonged suspension comfort

Technical Specification

Understanding CE EN 813 and CE EN 358

CE EN 813 is the European standard for sit harnesses used in work positioning and restraint systems. It defines requirements for the construction, performance and testing of harnesses designed to support the wearer in a seated position during work at height — the primary function of an arborist sit harness used in tree climbing. EN 813 is a work positioning standard, not a fall-arrest standard.

CE EN 358 is the European standard for work positioning belts and lanyards, covering harnesses and components used for work positioning and restraint. In the context of the SEQUOIA, it certifies the harness for use with connecting lanyards in work positioning systems. Together, EN 813 and EN 358 confirm the SEQUOIA meets the requirements for professional suspended work positioning in arboriculture. UKCA (UK Conformity Assessed) is the post-Brexit UK equivalent of CE marking, confirming the harness meets all applicable UK PPE regulations for the UK market.

SEQUOIA vs SEQUOIA SRT - Which is Right for You?

Petzl produces two main versions of the SEQUOIA platform. Choosing between them depends on your primary climbing technique.

If your primary technique is MRS or you're transitioning between systems, the SEQUOIA is the better choice — the wide attachment points give more flexibility for bridge configurations and lanyard connection. If you're a committed SRS/SRT climber primarily using a Petzl ZigZag or Chicane, the SEQUOIA SRT's dedicated ventral attachment point makes more technical sense. Not sure which fits your system? Contact Gustharts and we'll help you choose.

Important Use Guidance

This harness is certified for work positioning, not fall arrest. CE EN 813 and CE EN 358 are work positioning standards. The SEQUOIA is not rated as a fall-arrest harness (which would require EN 361). It must be used within an appropriate tree care climbing system and not as a primary protection against free falls from height without a separate fall-arrest system.

Measure before ordering. Take waist and leg measurements and check them against the size chart in the spec table before selecting a size. An incorrectly sized harness will not perform as intended and cannot be relied upon for safe suspension.

Inspect before every use. Check all webbing, buckles, stitching, attachment points and equipment loops before each session. Any sign of damage, fraying, deformation or chemical contamination should result in the harness being withdrawn from service.

Observe the Petzl service life guidelines. Petzl specifies a maximum 10-year service life from date of manufacture, and recommends retirement if the harness has been subjected to a fall, significant load or any event that may have compromised its integrity — regardless of visible condition.

Also Known As

The Petzl SEQUOIA is also referred to as an arborist saddle, tree climbing harness, tree surgeon harness, work positioning harness, sit harness and arborist harness. In North American arborist markets it is commonly called an arborist saddle or tree care saddle. For correct identification, reference the Petzl part number C069AA00 and specify your size (0, 1 or 2) when ordering.

Pairs Well With

• Petzl ZILLON lanyard — the directly compatible positioning lanyards for the SEQUOIA's front attachment points
• SEQUOIA shoulder straps — connect to the textile upper waistbelt points for improved load distribution on extended days
• Petzl CARITOOL tool holders — fit the CARITOOL slots on the waistbelt and leg loops for systematic tool organisation
  

Explore More

• Climbing Harnesses
• Climbing Equipment
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FAQs

What is the Petzl SEQUOIA designed for?

The SEQUOIA is a sit harness designed primarily for doubled-rope (MRS) tree care climbing systems. It provides work positioning support and comfort for arborists working in suspension during canopy work.

What sizes is the Petzl SEQUOIA available in?

Available in Size 0 (waist 65-80cm), Size 1 (waist 70-93cm) and Size 2 (waist 83-120cm). Always measure your waist and legs against the size chart before ordering.

What is the difference between the SEQUOIA and SEQUOIA SRT?

The SEQUOIA is designed for MRS/doubled-rope climbing with wide front attachment points. The SEQUOIA SRT is designed for SRS/SRT climbing with a dedicated ventral attachment point for the ZigZag and Chicane system. See the comparison table above for full details.

What certifications does the Petzl SEQUOIA hold?

CE EN 813 (work positioning sit harness), CE EN 358 (work positioning belts and lanyards), UKCA (UK Conformity Assessed), EAC and GB 6095-2021:W. It is not rated for fall arrest (EN 361).

Can I use the SEQUOIA for SRS/SRT climbing?

The SEQUOIA's front attachment points are compatible with various systems, but the SEQUOIA SRT is specifically designed for SRS/SRT with a dedicated ventral attachment point. If SRS is your primary technique and you use a ZigZag or Chicane, the SEQUOIA SRT is the more appropriate choice.

Can I attach a seat to the SEQUOIA?

Yes. The front D-rings accept a seat via shackles (not included) for added comfort during prolonged suspension.

How do I convert the SEQUOIA to a full-body harness?

Fit the Petzl TOP chest harness using the plastic buckle at the rear of the waistbelt and the RING M on the bridge. This converts the sit harness into a full-body configuration.

What is the service life of the Petzl SEQUOIA?

Petzl specifies a maximum service life of 10 years from the date of manufacture. The harness must be retired immediately if it has been subjected to a fall, significant load, chemical contamination or any event that may have compromised its integrity, regardless of apparent condition.

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