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Chest Harnesses

SRT (Single Rope Technique) is becoming more popular for climbing and positioning within the tree. The newest SRT and Hybrid devices all work best when tended with a lightweight, compact chest harness. You'll have an easier time ascending on your Hitch Hiker, Rope Wrench, or Unicender with a good chest harness in your kit.

4SRT Chester Harness

4SRT Chester Harness


The 4SRT Chester has been designed to be the most effective chest harness for modern SRT climbing, and will work with the newest SRT and Hybrid work positioning devices. This is a minimal, lightweight chest harness with maximum flexibility for tending your climbing device. The DMM XSRE carabiner is recommended but not included.

Chester sizing: Standard: 36 - 46 inch chest, Large: 46 - 52 inch chest.

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Weaver Chest Box

Weaver Chest Box


The Weaver Chest Box is a lightweight, minimalist chest harness for tending a SRT or hybrid device. Adjustable from 33” to 52” with 21” shoulder straps. Made from 1” nylon webbing with a single steel ring for attachment.

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CMI Chest Harness

CMI Chest Harness New in 2018!


CMI webbing chest harness designed for rec climbing programs. Bright red tie in point in the front and all buckles in the back, keeping adjustments away from sensitive areas. Double pass buckles ensure the harness stays on and stays tight. Not to be used without a seat harness. One size fits most. Weighs 12 oz.

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Petzl Chest'Air Harness

Petzl Chest'Air Harness


This chest harness connects with a carabiner (sold separately) to the bridge of the Avao or Sequoia to add fall-arrest capability to those harnesses. This adjustable harness fits a wide range of users with doubleback buckles on both the shoulder and chest straps. Running the strap over the upper back provides a more comfortable distribution of weight. The sternal attachment for fall-arrest does not have a bulky D, for a lighter, less obtrusive harness. Weighs 495 g.

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Petzl Work Harnesses

Petzl Voltige Chest Harness

One Size

Fully adjustable “figure 8” style chest harness helps prevent the wearer from inverting during a fall. Must always be used with a sit harness.

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Petzl Top

Petzl Top Harness

One Size

Works with Petzl Avao Sit saddle to transfer weight carried on saddle to shoulder straps. A very comfortable way to support the weight of gear carried on the harness, as well as giving you a single chest attachment point. Connects to the rear buckle of a Avao Sit or Sequoia SRT harness. Can be used with Croll chest ascender. Fall-protection rated on SIT harness only.

Weighs 660g.

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Petzl Top Croll

Petzl Top Croll Harness

One Size

Top chest harness with integrated Croll rope grab. Features a single attachment point on the chest. Connects to the rear buckle of a Vario Sit and transfers weight carried on the waist to the shoulder straps. With Avao SIT harness certified to: CE EN361, CE EN12841 type B. Weighs 880 g . sad409

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Secur Shoulder Strap

Petzl Secur Add-On Harness

One Size

Shoulder straps for positioning the Croll ascender can be added to Sequoia saddles. Attaches with a girth hitch to the rear ring of the harness. Easily adjusted with the DoubleBack buckle.

Weighs 135g.

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Petzl Torse Strap for Croll

Petzl Torse Strap for Croll Ascender


Webbing strap enables correct positioning of the Croll chest ascender. Adjusts rapidly using the min double-back buckle. Back strap can be unclipped to remove the harness.

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