Why Underun?
At Underun we know the importance of feeling good when you´re working out. All our products have been designed to enhance your comfort and reduce distractions, allowing you to focus on what´s important. No chafing, no riding up, and no weighing you down. Underun isn´t just something you throw before working out, it´s your first layer of comfort and performance.
MOISTURE-WICKING
However long you run and however hard you train, Underun’s quick drying and moisture-wicking fabric keeps you feeling dry and light.
360º SEAMLESS
Thanks to the comfortable seamless construction, you will not be bothered by irritating or abrasive seams, allowing you to fully focus on your workout and performance.

ANTIBACTERIAL
From start to finish, you feel fresh and do not suffer from bad odours during or after your workout due to the antibacterial action.
ERGONOMIC DESIGN
Whatever your sports or running goal is, by having the perfect fit you have more freedom of movement and you can move without worry.
BREATHABLE
The breathable zones ensure maximum comfort with temperature retention and cooling.
MOISTURE WICKING
However long you run and however hard you train, Underun’s quick drying and moisture-wicking fabric keeps you feeling dry and light
360º SEAMLESS
Thanks to the comfortable seamless construction, you will not be bothered by irritating or abrasive seams, allowing you to fully focus on your workout and performance.
ERGONOMIC DESIGN
Whatever your sports or running goal is, by having the perfect fit you have more freedom of movement and you can move without worry.
BREATHABLE
The breathable zones ensure maximum comfort with temperature retention and cooling.
ANTIBACTERIAL
From start to finish, you feel fresh and do not suffer from bad odours during or after your workout due to the antibacterial action.