Performance Arm Sleeves
Size & Fit
True to size.
Size Guide - Arm Sleeves
Your body measurements in inches
| XS-S | M-L | |
|---|---|---|
| Bicep circumference | 10.6 — 12.2 | 12.6 — 14.6 |
| Arm length | 22.8 — 23.6 | 24.8 — 25.6 |
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How to measure

-
Arm length
With your arm relaxed, measure from the shoulder to the wrist.
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Bicep
With your arm relaxed, measure around the widest part of your upper arm.
Materials & Transparency
Materials
68% Polyamide, 27% Polyamide, 5% Elastane
Country of origin
Slovenia
Key features
Weight: 50g
Lightweight, rib knit for warmth
Ventilation panels for breathability
Protects the arms from scrapes
Comes in a pair
Ribbed On logo
Stylish running accessory
Layer them or wear them on their own

Warm yet breathable
Constructed from a lightweight, ribbed knit for an extra layer of warmth during your cold weather runs. The breathable feel comes from the added ventilation panels, which prevent sweat build-up even during your most intense sessions.

Take cover
Not in the mood for long sleeves? The Performance Arm Sleeves are a great alternative, giving you coverage without the bulk. They stay in place as you move, and the extra layer can help reduce scrapes if you're venturing off-road.

Modern styling
The Performance Arm Sleeves can be paired with your favorite sleeveless On top or layer them up with a tank. These are ideal for runners who want to stand out from a crowd—or even want to add an element of performance style to their all-day wear.