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Unisex

Edelrid Jay IV harness

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Features of Edelrid Jay IV

Product description of Edelrid Jay IV harness

Description summary

The EDELRID Jay IV harness is your ultimate all-rounder for gym climbing, cragging, via ferratas, and mountaineering. Its redesigned butterfly waist belt offers exceptional comfort and optimal load distribution, minimizing pressure points. The innovative Center Fit construction with movable padding ensures perfect adjustment and gear loop centering. Featuring soft, parallel tie-in points with an enlarged upper point for easier and more comfortable clipping, plus a reinforced lower tie-in point for enhanced durability. Its O-shape geometry provides a secure, gap-free fit, ideal for users with similar waist and hip measurements. Fully adjustable leg loops and four gear loops ensure versatility for any climbing discipline

EDELRID Jay IV Harness: Unmatched Comfort and Versatility for Every Ascent

Discover the pinnacle of all-round climbing performance with the EDELRID Jay IV harness. Engineered for climbers who demand versatility without compromising on comfort or safety, the Jay IV is your trusted partner for every vertical adventure. Whether you´re training in the gym, tackling challenging crags, navigating via ferratas, or embarking on alpine mountaineering expeditions, this harness is designed to excel in any environment, making it the ultimate quiver-of-one for dedicated climbers.

The JAY is a tried-and-tested, all-round harness for use when climbing in the gym and at the crag as well as on via ferratas and when mountaineering.

Now in its fourth generation, the harness is more comfortable than ever.

This is partly thanks to the butterfly shape of the waist belt, which optimally distributes the load and offers good hanging comfort. This ergonomic design minimizes pressure points, allowing you to focus on your moves, not your gear, even during long belay sessions or when working a route.

The hip padding can be moved using the center fit construction for optimum adjustment and positioning. This innovative design ensures your belay loop and gear loops remain perfectly centered, providing optimal balance and easy, symmetrical access to your equipment at all times.

The two parallel tie-in points are very soft and smooth. Together with the enlarged upper tie-in point, this enables simpler tie-ins and offers greater overall comfort. The lower tie-in point is further reinforced with an abrasion protector, significantly increasing the harness´s durability where it matters most.

The enlarged central ring also provides additional comfort when standing and belaying.

The O-shape of the JAY makes it particularly ideal for climbers whose waist and hips are of a similar size. This specific geometry ensures a secure and gap-free fit, enhancing safety and confidence on the wall. Fully adjustable leg loops with robust slide block buckles allow for a precise fit over different layering systems, adapting seamlessly from summer rock climbing to winter mountaineering. Four symmetrical, high-strength gear loops provide ample space for organizing your rack, while two attachment options for ice screw clips add to its alpine-ready credentials.

Attributes: Adult, Men, Women

Technical Specifications:

* Certification: EN 12277 Type C
* Ice Screw Clip Attachment: 2 attachment options
* Waist Belt Construction: Center Fit with moveable padding
* Leg Loops: Fully adjustable with 15 mm slide block buckles
* Tie-in Point: Abrasion protector for enhanced durability
* Size S: Waist 70-90 cm | Legs 45-55 cm
* Size M: Waist 78-98 cm | Legs 53-63 cm
* Size L: Waist 85-105 cm | Legs 58-68 cm
* Weight: 455 g (Size M)

Composition:

Polyamide

Specifications

Manual

Technical specifications of Edelrid Jay IV

Features of Edelrid Jay IV

Color Green

Color

Green

Blue

Gender Men

Gender

Men

Women

Age Adult

Age

Adult

Key differentiators

Butterfly-shaped waist belt designed for exceptional comfort and load distribution.

Center Fit construction with movable padding for optimal adjustment and gear loop centering.

Certified to EN 12277 Type C safety standards.

Fully adjustable leg loops with 15 mm slide block buckles for a precise fit.

Reinforced lower tie-in point with an abrasion protector for enhanced durability.

Technology in Edelrid Jay IV harness

Energy rating

Warnings

5 / 5

1 Reviews

What our customers are saying about Edelrid Jay IV harness

5 stars for the center fit construction.

2026/01/15

barth

This must be one of the most comfortabel harness out there, another remarkable feature is the center fit constructie. Simple,but clever design. The belay loop is outstanding. With buying this harnass, you will treat yourself with treu edelrid finest quality

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Frequently bought together

Best sellers

Use cases

All-Around Climbing 90% Fit

With features suitable for multiple disciplines and all-season use, this harness is a versatile choice for climbers who participate in various activities, from the gym to the mountains.

EN 12277 Type C certification,4 gear loops,Center Fit waist belt with moveable padding,Adjustable leg loops

Sport and Gym Climbing 90% Fit

The four gear loops provide ample space for quickdraws and other essentials, while the abrasion protector on the tie-in point enhances durability for frequent use and falls common in sport and gym climbing.

4 gear loops,Abrasion protector on tie-in point,Center Fit waist belt

Alpine Climbing and Mountaineering 80% Fit

This harness is well-suited for alpine environments, featuring fully adjustable leg loops to accommodate varying layers of clothing and two attachments for ice screw clips for winter objectives.

2 ice screw clip attachments,Fully adjustable leg loops,All-season intended use,Durable Polyamide material

Via Ferrata 85% Fit

The harness's robust construction, EN 12277 Type C certification, and adjustable fit provide the necessary security and comfort for navigating via ferrata routes.

EN 12277 Type C certification,Adjustable leg loops with slide block buckles,Durable tie-in point with abrasion protector

Best for

Ideal for All-Season Mountaineers

With an 'all_season' intended use, two ice screw clip attachments, and fully adjustable leg loops to accommodate different layering, this harness is built for versatile mountaineering.

Based on: intended_use: all_season, Ice screw clip attachment: 2, Adjustable leg loops: yes

Best for Versatile Alpinists

This harness offers the versatility needed for alpine environments, featuring four gear loops, adjustable leg loops, and a durable polyamide construction suitable for varied conditions.

Based on: Versatility in Climbing Environments, Gear loops: 4, Adjustable leg loops: yes, Material: Polyamide

Great for Value-Seeking Climbers

This harness provides essential safety and comfort features, including EN 12277 Type C certification and an abrasion protector, offering excellent performance and peace of mind without a premium price tag.

Based on: Security & Peace of Mind, Certifications: EN 12277 Type C, Tie in point: Abrasion protector for enhanced durability

Benefits

FunctionalClimb with Confidence Thanks to Certified Safety

This harness meets the EN 12277 Type C safety standard, providing reliable performance you can trust. The tie-in point is reinforced with an abrasion protector for enhanced durability at a critical wear point, and the entire harness is constructed from tough polyamide material.

Certifications: EN 12277 Type C

Tie in point: Abrasion protector for enhanced durability

Material: Polyamide

FunctionalAchieve a Perfect, Personalized Fit

Enjoy a tailored fit with fully adjustable leg loops and a Center Fit waist belt featuring moveable padding. This design allows you to perfectly center the harness and gear loops for optimal balance and comfort during long climbs.

Adjustable leg loops: yes

Waist belt construction: Center Fit with moveable padding

Leg loop buckle type: 15 mm slide block buckles

FunctionalMove Freely with a Lightweight Build

Weighing in at 455 g, this harness provides security and features without adding unnecessary bulk. Its lightweight construction helps reduce fatigue, allowing you to focus on your climb.

Product weight: 455 g

Ideal buyer profiles

The Alpinist

This climber tackles varied mountain terrain, from rock and ice to mixed routes, often in changing weather conditions. They need a single, reliable harness that can adapt to different disciplines and layering systems.

The Edelrid Jay IV is an excellent match due to its all-season design, fully adjustable leg loops that accommodate layers, and two ice screw clip attachments for alpine pursuits. The four gear loops provide ample space for a rack, and the abrasion protector on the tie-in point ensures durability on long, demanding routes.

The All-Around Climber

This individual enjoys multiple climbing disciplines, including gym climbing, sport cragging, and via ferratas. They are looking for a comfortable, safe, and versatile harness that doesn't require them to own multiple specialized models.

With its EN 12277 Type C certification, this harness meets key safety standards for a wide range of climbing activities. The Center Fit construction with moveable padding ensures a customized and comfortable fit, while the four gear loops and adjustable design make it suitable for everything from a quick gym session to a day at the crag.

The Mountaineer

Focused on reaching summits, the mountaineer needs gear that is robust, adaptable, and doesn't compromise on safety. They often wear bulky clothing and carry specialized equipment for ice and snow travel.

This harness is well-suited for mountaineering with its 'all_season' intended use and two ice screw clip attachments. The fully adjustable leg loops with slide block buckles make it easy to put on over mountaineering boots and insulated pants, ensuring a secure fit regardless of the layers worn.

Competitive features

When selecting a climbing harness, key factors include comfort, adjustability, and suitability for your chosen discipline. The Edelrid Jay IV is presented as a versatile all-rounder, but how does it stack up against other options in a similar price bracket? We've analyzed its features against competitors like the Edelrid Moe 3r, Jayne IV, and others to help you make an informed decision.

Where it excels

The Edelrid Jay IV is explicitly described as a versatile, all-around harness suitable for gym climbing, cragging, via ferratas, and mountaineering. It features a redesigned butterfly waist belt and Center Fit construction, both aimed at enhancing comfort, load distribution, and fit customization. The design includes fully adjustable leg loops, ensuring adaptability for different body types and climbing disciplines.

Consider alternatives if...

If your primary focus is a single, highly specialized discipline (like competitive speed climbing or big wall aid climbing), a more specialized harness might offer targeted features not highlighted in this all-rounder. The Edelrid Jayne IV is designed with a women's-specific fit, which may provide superior comfort and performance for female climbers compared to a unisex model. For climbers prioritizing minimal weight above all else, such as for alpine or ski mountaineering, the Edelrid Loopo Lite II may be a more suitable option, as its name suggests a focus on lightweight construction.

Verdict

The Edelrid Jay IV stands out as a strong candidate for climbers seeking a single, reliable harness for multiple activities. Its emphasis on comfort and adjustability, through features like the butterfly waist belt and Center Fit construction, makes it a compelling choice for long days on the rock or in the gym. While it faces competition from specialized models and women's-specific designs, its all-around performance makes it a benchmark in its category.

Specs comparison

	Edelrid Jay IV harness

Specs vs competitors

	Edelrid Jay IV harness	Mammut 4 Slide Harness	Grivel Easy Ce Harness	Salewa Via Ferrata Evo Harness	Beal Aeropark Iv Complete Harness	Mammut Ophir 3 Slide 2.0 Harness
Material	Polyamide	-	polyamide, steel, cotton	Synthetic	-	recycled materials
Product Weight	455 g	490 g	466 g	430 g	850 g	360 g
Intended Use	All Season	Sport Climbing	-	Via Ferrata	All Season	-
Adjustable Leg Loops	Yes	Yes	Yes	Yes	Yes	Yes
Gear Loops	4	2	2	4	2	4