Arc'Teryx FL-365 Harness - Red Beach/Flare

3 Reviews   |   Size Guide
ArcTeryx Harnesses Size Chart
ArcTeryx Harness Size Chart
ArcTeryx Harnesses Size Chart
ArcTeryx Harness Size Chart
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The ArcTeryx FL-365 Harness is a fast and light, compact, Fixed Leg climbing harness that combines versatility with comfort and performance. 

With enough versatility for rock, ice or alpine climbing, the FL-365 can cover all three disciplines with enough racking options to take on nearly any route. Created for lightweight versatility and performance comfort, the FL-365 utilises Warp Strength Technology™ for exceptional weight distribution with dependable strength. Improved tie-in points with orange wear indicators help elevate safety, and the careful patterning and Burly™ Double Weave stretch material for the rest of the harness highlight the ArcTeryx commitment to the relentless pursuit of quality and performance.

Warp Strength Technology

WST™ differs from traditional harness construction in that the load is evenly distributed across the entire width of the harness structure rather than loading a single, narrow strip of webbing in the centre or running edge binding, both of which tend to concentrate the pressure of the harness making them less comfortable. Warp Strength Technology™ cradles the body and the load is universally dispersed from edge to edge. This construction method provides a high degree of support and this new generation of harnesses are more comfortable over time and usage than ever before. The waistbelt and leg loops now include thin reinforcements that help keep the load distributed more evenly across their width and the edges have been softened for a smoother transition. All resulting in a WST™ harnesses that are durable, ultra compact, comfortably supple and light weight.


  • Wear safety markers on belay loop and tie-in points
  • Self locking buckle
  • WST™ (Warp Strength Technology) load is evenly supported across entire harness structure
  • Four ice clipper slots
  • Stainless steel quick hook on the rear leg elastic permits using the bathroom without taking off your harness
  • Sure fit elasticised fixed leg loops enable a precision fit with varying layers
  • Stretchy mesh storage bag
  • Rear haul loop
  • Four gear loops

Burly™ Double Weave four-way stretch fabric, 7075 T6 aluminium anodised buckle, Type 66 nylon webbing, Polyurethane gear loops


Size Waist Leg
XS   66-74 cm  47-52 cm
S   72-79 cm  51-55 cm
M   78-86 cm  55-59 cm
L   86-96 cm  59-65 cm
XL   96-106 cm  62-69 cm


  • Gender: Male
  • Adjustable Legs: No
  • Drop Seat: Yes
  • Gear Loops: 4 and 4 Ice Clipper Slots
  • Haul Loop: Yes
  • Ice Clipper: Yes
  • Quick Buckles: Yes
  • Weight: 365g (M)

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Peter J.
United Kingdom United Kingdom

Arc'Teryx FL-365 Harness

Just back from 2 weeks in Kalymnos. Definitely the best sport harness I've ever had. Haven't used it for trad yet, but I think the gear racking might be a bit limited

Phil B.
United Kingdom

Great products and service

Top class harness and super lightweight. Really comfortable for all day use . You don’t know you’ve got it on . Packs down to nothing . Highly recommended .

Jack L.
United Kingdom

It’s ******* grete

The scouser ******* loves it mate

Jack L. verified customer review of Arc'Teryx FL-365 Harness - Red Beach/Flare