Feather PRO
Lightweight and Stretchy Polyester
Sewn loops
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Alpine WebLock 6.1
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QUICK SPECS:
- Stretch
- 2.8% @ 5kN · 11.0% @ 10kN
- Design
- Flat, 95% PES, 5% PA
- Weight
- 51.0 g/m (3.43 lbs / 100 ft)
- MBS
- 26 kN (5,845 lbf)
- Sewn Loop MBS
- 23 kN (5,261 lbf)
- Width
- 25.4 mm (1.0 in)
- Thickness
- 2.46 mm (0.1 in)
Description
Introducing an all new lightweight slackline made from 100% low-tech fibers. Feather PRO is a built with the low tension highliner in mind.
The webbing that was used to rig and walk a world record low-tech highline in France in 2017 that was 800m (2,624 feet) long. Boasting a strength of 29 kN and a weight of 51 g/m, this webbing has one of the highest strength-to-weight ratios out there.
Feather PRO is the perfect webbing for alpine projects, lightweight travel kits, and a plethora of other types of slacklines. Not only is Feather PRO optimized for weight and strength, it also features our signature Pillowed Edges as well as the tough LineSkin resin coating. These two features make Feather PRO a dream to walk and catch on highlines.
Made in the US.
Lightweight & Strong

A strength-to-weight ratio that is built for big highline projects
Feather PRO weighs in at with a strength of . This gives Feather PRO an extremely high strength-to-weight ratio, packing the maximum punch in the smallest package. This ensures an easy hike in and a confident walk on the line.
With packability and ease of carrying a priority in the design of Feather PRO, we shot for as low weight as possible while maintaining a healthy MBS. Combine the low weight with all the other amazing features Feather PRO has and you get a world class highline webbing built for big lines and alpine missions.
Four-Zone Construction

Optimized layering and zoning for improved abrasion resistance and handling.
At the core of Feather PRO lies the Strength Zone, where the majority of the strength comes from. Built using high tenacity polyester fibers, this zone has been purely optimized for raw strength to get the most out of these quality PES fibers.
A protective layer surrounding the core and pillowing, the Protective Zone is built from less strong but more abrasion resistant Polyester fibers to ensure the sensitive core is protected while the line is under tension. The Protective Zone sees part of the load while tensioned, but contributes less to the overall strength of the webbing compared to the Strength Zone. However, the majority of the abrasion resistance of Feather PRO is a direct result of this tightly woven Polyester layer.
An innovative and sleek way of make twist detection a breeze. The Bi-Color zones have opposing colors on the edges of both faces to make it easy to spot any twists along the length of the line. We find it's easiest if the dark green color is up, as you can see red spots along the length very easy this way. These colored edges are made from high-tenacity, highly abrasion-resistant, solution-dyed, Polyester yarns to give the best of all worlds on one of the most sensitive parts of your slackline webbing.
One of the most advanced features of Feather PRO is the Pillowing Zones. These zones are built from 100% nylon fibers which stay loose even when the webbing is under tension. This allows the edges to be pliable and malleable while the line is tight, which gives the edges a pillow-feel, molding under your hands and feet when you grab and walk on the line. This feature makes Feather PRO a true pleasure to interact with.
LineSkin Resin Coating

A coating of nano particles to enhance abrasion resistance and increase lifespan.
Once is finished being woven, we run it through a coating process where we apply our signature LineSkin Resin Coating. This is comprised of billions of nano particles that latch onto the individual monofilaments within the webbing.
Once LineSkin has been applied to the webbing, the surface of the individual filaments changes to a more ridged texture, which acts as a shield against both moisture and dirt particles. You will notice that webbings that have LineSkin applied actually will float on the top of water. This is due to the surface friction created by the LineSkin coating.
The ridged texture that each monofilament has once LineSkin treated now becomes significantly more abrasion resistant. Depending on the weave type, you can nearly double the abrasion resistance of the webbing simply by treating it with LineSkin resin coating. gains nearly 1,500 lbf of strength retention after the abrasion resistance test compared to a non-treated sample.
Dimensions
- Width
- 25.4 mm (1.0 in)
- Thickness
- 2.46 mm (0.1 in)
- Weight
- 51.0 g/m (3.43 lbs / 100 ft)
Strength
- MBS
- 26 kN (5,845 lbf)
- WLL
- 9 kN (1,956 lbf)
- Alpine WebLock
- 24 kN (5,395 lbf)
- MightyLock
- 21 kN (4,721 lbf)
- Sewn Loop
- 23 kN (5,261 lbf)
Material
- Material
- 95% Polyester, 5% Nylon (Polyamide)
- Weave structure
- Flat
- Weave features
- Pillowed Edges, TruRound Edges
- Weave zoning
- Four-Zone Construction with Strength, Protective, Bi-Color, and Pillowed zones
Walkability
- Style
- Optimized for walking with minor playfulness at the right tensions
- Optimum tension
- 1.0 - 4.5 kN (225 - 1,000 lbf)
- Preferred lengths
- 50 - 400m (165 - 1,312 feet)
Highline
- Highline approved
- Yes
- Backup length
How long should the backup be with a Feather PRO mainline?
Mainline Backup 50 m 53 m 60 m 63.6 m 100 m 106 m 120 m 127.2 m For any other length, make the backup 6% longer than the main.
Compatible hardware
- Webbing Anchors
- Webbing Grips
Stretch
- ISA Stretch @ 5 kN
- 2.75%
- ISA Stretch @ 10 kN
- 11.0%
| Force | Stretch |
|---|---|
| 1 kN | 0.97% |
| 2 kN | 1.61% |
| 3 kN | 2.11% |
| 4 kN | 2.67% |
| 5 kN | 3.33% |
| 6 kN | 4.36% |
| 7 kN | 5.63% |
| 8 kN | 6.59% |
| 9 kN | 7.30% |
| 10 kN | 7.92% |
| 11 kN | 8.56% |
| 12 kN | 9.12% |
Sewing
Sewn Loop
Bartack ramp for 25 mm webbings
23.4 kN MBSmean 25.5 kN
- Bobbin thread
- Amann Xtreme Tech with Dyneema · 220-tex · Yellow
- Needle thread
- Amann Xtreme Tech with Dyneema · 220-tex · Red
- Stitches
- 176
- Pattern dimensions
- 65.5 × 20 mm (L × W)
- Opening size
- 139 mm
- Webbing fold
- 210 mm
Join Stitch
Double bartack ramp for 25 mm webbings
- Bobbin thread
- Amann Xtreme Tech with Dyneema · 220-tex · Yellow
- Needle thread
- Amann Xtreme Tech with Dyneema · 220-tex · Red
- Stitches
- 197
- Pattern dimensions
- 76 × 20 mm (L × W)
- Overlap length
- 86 mm










