Boxer Size:S Learn more about the 100

Learn more about the 100 Day Shirt

Crew-neckline and raglan sleeves for maximum arm mobility

This is the shirt our founder wore for 100 days straight

Select your sold out size and get notified when it's available

We tapped into this one-man brain trust to help design a pair of wool boxer briefs that checks all the boxes: durable

Boxer Size:S Learn more about the 100A knit boxer short with a slightly relaxed fit. Our soft jersey fabric allows you to move freely throughout the day while being comfortable enough to sleep in. Elastic waistband, functional button fly, and 5 inseam. Buy 2+ and save up to 16%. We don't accept any underwear returns exchanges for hygienic reasons. Please check your measurements against the size guide before purchasing. We recommend ordering one pair to verify your correct size before