⚡ Beat the Heat: Stock Up & Save Up to 30%
Our most popular fit.
Deep v-neck stays hidden throughout the day.
The classic. Pair our crew neck with your suit and
tie, or your casual wear.
Perfectly hidden. Pair it with your thinnest or light colored outer layers.
UnderFit undershirts solve every issue caused by the traditional cotton undershirt. Stays tucked in. 50% more breathable. No bagginess. Perfect fit, all day long.
Find my fit
“You have an amazing product. I’ve been wearing them through several iterations. I’ve tried your competitors, so I want to tell you that UnderFit is my favorite of them all.”
Pair it with light colored outer layers for an invisible layer of protection.
Deep v-neck stays hidden throughout the day. Exceptionally comfortable.