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Model Number:

With additional hand coverage, thumb holes and a back-of-hand pocket for a gel packet or ID card, the Asics Thermopolis LT Arm Warmers could be the most 'runner- friendly' warmers available. Soft brushed Thermopolis® LT fabric, flatlock stitch construction and silicone grips ensure your arms are always warm and comfortable.


  • Black (90)


  • Pair of arm warmers
  • Soft, brushed Thermopolis® LT fabric for comfort and warmth
  • Additional hand coverage and thumb holes insulate hands
  • Flatlock stitch construction helps prevent skin irritation to keep you comfortable
  • Envelope pocket on back of hands stores gel packet, key or ID card 
  • Silicone grip at upper arm keeps warmers in-place

Sizes and Fabric

Length (unstretched) 19.5" 20.25" 21.0"
Wrist* 6.5" 7.5" 8.5"
Upper Arm* 11.0" 13.0" 15.0"

*Measure in inches around fullest part of upper arm/wrist

  • 92% Polyester / 8% Spandex

More From Arm Warmers

Customer Reviews

Comments: I am 10.5 inches around the upper arm and the XS are good for me, but I like my stuff tight. Probably could have done the S/M but not sure they would have stayed up as well.
From: KC Campbell, Kansas City, USA. October 15th 2014

Comments: Love these! I am 10.5" around upper arm and they felt tight. I am going to try a size up since I think the silicone grips will keep them in place fine.Ordered the XPs also and not sure which ones I like better. XPs are definitely a little thicker/warmer.
From: Valerie, Valparaiso, IN    USA

Comments: I ordered the XS blue however they won't stay up even with the silicon liner at the seam to hold it in place.  I love the idea of them (built in glove, gel storage, etc.).  Wished they would have fit better.  Maybe I need to start lifting weights :)
From: Anonymous, Wilmington, NC, USA