Straight answers
Keep them cool
Run hot? Keep them cool. NumbNuts is a 100% merino boxer with a reusable phase-change cooling insert that sits where heat builds. Shop the Cool System or take the 2-minute Heat Check.
Straight answers
Run hot? Keep them cool. NumbNuts is a 100% merino boxer with a reusable phase-change cooling insert that sits where heat builds. Shop the Cool System or take the 2-minute Heat Check.
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.