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Petzl was one of the first of the big gear manufacturers to come out with a tree-people specific harness. Over time, the Sequoia has been refined to be both sturdier and better streamlined. Now in 2026 the Sequoia has been updated and the Sequioa Plus replaces the Sequoia SRT. Dave takes a look at each model, what sets them apart from each other, and what's been udpated from previous versions. The Sequoia line has evolved into a tree climbing harness that has the support, flexibility, and comfor …

Tree Gear Articles & Guides We are updating our tree gear articles and guides for the new WesSpur.com site. These guides include years of experience form helping cilmbers get started in tree care.  Some were published on older versions of the WesSpur site, some were from our catalog, and others were created for workshops or events.  We are updating them with new products, pics, and videos, to help you make educated choices for your gear. Got arborist gear questions you want us …