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Louis Garneau Matrix Arm Warmers

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Item # LGN0219

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Item # LGN0219


Just because it’s chilly outside doesn’t mean you need to lug around an extra bulky layer. The Louis Garneau Matrix Arm Warmers are perfect for crisp morning rides that morph into warm afternoon spins.

  • Super-stretchy for perfect fit on any size arm
  • Flatlock seams eliminate bothersome itching
  • SPF/ UPF 50 prevents sunburn

Tech Specs

Matrix (78% nylon, 12% polyester, 10% spandex)
Cuff Closure:
Recommended Use:
road biking & mtb

Size chart

Fuji Bicycles


Geometry Chart


Altamira LTD

Seat Tube


Effective Top Tube








Head Tube


Head Tube Angle


Seat Tube Angle


Bottom Bracket Drop


Chainstay Length



44 44.0cm 51.5cm


36.3cm 72.1cm


72.0 deg 75.0 deg 6.9cm 40.5cm 97.1cm
47 47.0cm 53.0cm


37.0cm 74.1cm 13.0cm 72.5 deg 74.5 deg 6.9cm 40.5cm 97.7cm
50 50.0cm 54.5cm 54.0cm 37.0cm 76.0cm 14.0cm 73.0 deg 73.5 deg 6.9cm 40.5cm 97.6cm
53 53.0cm 56.0cm 56.0cm 37.9cm 78.3cm 16.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 98.6cm
55 55.0cm 57.5cm 58.0cm 38.9cm 80.1cm 18.0cm 73.5 deg 73.5 deg 6.9cm 40.5cm 100.1cm
58 58.0cm 59.0cm 60.1cm 39.7cm 82.1cm 20.0cm 74.0 deg 73.5 deg 6.9cm 40.5cm


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Here's what others have to say...

Avg. ride time: 16h 28m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Coolers, not Warmers

    I actually find these to be a really useful item...but as Arm Coolers, not warmers. They're super thin, offer UV protection, and do a decent job of wicking moisture. I wouldn't say they're cooler than no sleeves on a hot day, but if you're worried about the sun, these will help keep you covered without overheating. On really hot days, try pouring some water on them. I definitely wouldn't classify them as arm warmers, though.


    too tight and not warm

      Ordered then returned it. Tight on upper arm (and I"m a smaller woman), magnified because they were topped with a "stickey" band of elastic which was narrow, like Scotch tape. So if you have guns at all, they'd better be cap guns! Fabric was like light tights, so really wouldn't help that much to keep warm or in the wind, for that matter.

      is this a single sleeve or a pair?

      is this a single sleeve or a pair?

      Best Answer

      It is a pair left and right, kind of a rip if you only have one arm.