long sleeve base layer using ciele athletics sorino | ws fabric. cut close for a layerable fit with integrated thumb holes to keep sleeves in place as you layer up. reflective back label for branding and visibility.
- premium merino and silk blend Sorino | WS fabric.
- UPF +40 protection.
- machine washable
- reflective detailing for night run visibility.
- ciele athletics™ million miles guarantee.
- XS / S / M / L / XL
- weight 187 grams.
- designed for people who run.
main fabric: 72% merino wool 28% silk.

Please read our full return policy here.
We accept returns on items that are in like-new condition within 15 days of original purchase.
Items on sale are final sale and are not eligible for returns or exchanges.
The following items are final sales:
We do not accept international returns
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