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Item # LBR003S

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Item # LBR003S

Save your knees without slowing down.

Riding hard is synonymous with crashing, which means the Leatt Airflex Knee Guard is synonymous with not ripping your kneecaps off when you take a spill, or something. Synonyms aside, the Airflex is a seriously light knee pad, at under eight ounces per pair, and the sleeve is made from moisture-wicking and ultra-stretchy MoistureCool fabric, to keep your knee pits dry and your pads in place. The padding, Armorgel, is a unique substance that's soft and pliable until impact, at which point it hardens almost instantly to protect your 'caps from crashes and tumbles and to keep your socks free of blood.

  • Armorgel padding
  • MoistureCool fabric

Tech Specs

[padding] Armorgel, [fabric] MoistureCool
slip on
Protection Area:
CE EN 1621-1
[single] 3.7 oz
Recommended Use:
mountain biking

Size chart


Knee Guard Sizing
Upper 11 - 13.4in
(28 - 34cm)
13 - 16in
(33 - 41cm)
16 - 21in
(41 - 53cm)
21 - 23in
(53 - 58cm)
Lower 7 - 10in
(20 - 26cm)
9 - 13in
(25 - 33cm)
13 - 17in
(33 - 44cm)
17 - 20in
(44 - 51cm)
How to Measure:
Measure the circumference 5in (13cm) above your knee.
Measure the circumference 5in (13cm) below your knee.

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Avg. ride time: 2h 43m per week
  • Average ride time is based on Strava activity over the last 3 months. Give your reviews credibility by connecting your account.

Sizing Chart

Sizing Chart