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Find your size.

in

Measure around your body where the waistband sits. Keep the tape level, without pulling tight.

Enter your waist measurement to see your size.

Bamboo · S–XXL

Trunk

Trunk — Size
SizeBody waist (in)Inseam (in)Total length (in)
S28–303.510.4
M31–343.510.8
L35–383.511.2
XL39–423.511.6
XXL43–463.512
Man wearing white Underherwear trunks with a blue waistband, with guides marking waist, garment length and inseam.

Waist: measure around your body where the waistband sits.

Inseam: crotch to leg opening.

Total length: top of waistband to leg opening along the outer side.

Measure comfortably.

Measure around your waist where the waistband will sit. Keep the tape level and comfortably close to the body, then compare with the chart.

Choosing a gift?

Compare measurements rather than relying on a letter alone. Size labels can vary between brands.

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