An exceptional hybrid of boxer and running shorts. Inspired by 70`s classic sport design, translated into modern and comfortable undergarment. Mid-rise shape and split at the side to enable freedom of leg movement. Fits all body types. Handmade in Poland from a luxurious viscose silk – finest sustainable fabric cellulose fibre, perfect for any activity.

Whether lounging or taking part in sport – the retro inspired design will keep you feeling fresh with its anti-static and breathable design features. Outstanding 55 mm wide, luxuriously soft elastic waistband with kust. logo.

The label inside the waistband is also comfortably soft and does not irritate the skin.

kust. underwear is engineered to care and compliment your male premises.


72% luxury viscose silk

28% polyamide

warm machine wash

do not bleach

tumble dry low

warm iron if needed


Follow Size Guide (click this link)



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