The everyday layer. Reconsidered.
Merino wool. Reusable cooling. One focused first drop.
First-drop preorder
One merino boxer with a natural-rubber waistband. Two reusable cooling inserts. Nothing extra.
$69.00 USD
One payment today. No subscription.
Choose your size
Natural fibre against your skin. Targeted cooling at the centre.
A synthetic plastic fibre.
100% merino wool in the NUMBNUTS boxer body and centre sleeve.
Founder window · ends 31 Oct
Join the NumbNuts Club and get FOUNDER15 plus The Cool Protocol free with your kit. Heat tips, no spam.
You're in the Club
15% off the Cool System until 31 October. The button applies it for you, and we've emailed it too.
Shop with 15% off →
