4 Facts on the Spec Card for the Overnight Layer
Three pairs is the same rotation you already run with everything else. One pair is a training week.
Here is the spec card. Nothing else.
Test it through one training week
Two easy weeks. If it has done nothing, keep all of it and we refund you. Overnight kit, not for running in.
1. What it is
The Day Sock. Closed toe, bonded silicone across the whole footbed. Overnight kit.

2. What it fits
One size, UK 4 to 10.5. Check your size before ordering.

3. The rotation
Three pairs: one on, one in the wash, one spare in the bag for the away race.
Two easy weeks. If it has done nothing, keep all of it and we refund you. Overnight kit, not for running in.
4. The test
One pair is £25, and that is a training week. Balm on, sock over it, sleep, wash at 40 in the morning. If it does nothing across two weeks of a build, keep it and we refund you.
The offer
-
One pair · £25
try it through a training week -
3 pairs · £55
Most chosen · one on, one in the wash, one spare · Night Sleeve and mesh wash bag free -
5 pairs · £89
a full season and a spare set
Why now: the next easy block is the cheapest place to try it.
Test it through a training week
Two easy weeks. If it has done nothing, keep all of it and we refund you. Overnight kit, not for running in.
Free UK delivery · No subscription · Machine washable at 40 · Working life 3 to 6 months
A textile accessory, not a cosmetic or a medical device.
Same cream. Fourteen nights. A sock that cannot drink it.
Shop the kit — from £25