core brief - rust

$30.00

Size:

Find Your Size

SoftCore is ultra-smooth modal with a snug, second-skin fit.

Collection

Style

Fit vibe

Pick the size that matches your waist range.

Briefs, Jocks & Thongs

Size	Waist

Swim is designed to fit snug. Size up if you want extra room.

Style

Fit vibe

Choose your usual size for a clean, classic fit.

Swim Brief

Size	Waist

Sizing Note

This size guide is based on standard measurements and fit testing. Since these are compression shorts, fit may vary depending on body type and personal preference. Please use this guide as a reference when selecting your size.

Measurement

Size	Waist

Measure around your natural waist and use the guide above as a reference when choosing your size.

Model reference: Jonny wears Medium. 5'10", 31" waist.

Need help choosing?

DM @wearjonnyboy on Instagram for sizing help directly from Jonny.

Measurements are body guidance, not finished garment specs.

Variant

Details

The Core Brief is your clean, everyday essential, cotton-rich, structured, and a little sportier than SoftCore. Think classic drawer staple with a Jonny Boy upgrade: breathable, supportive, and made to keep its shape wear after wear.

Fit & Fabric

Jonny is 5'10" (178 cm), 170 lbs (77 kg), wearing JonnyBoy M.
Fabric: Cotton-rich stretch blend for a soft handfeel and everyday support.
Fit: Hugs the body without squeezing; holds its shape and moves with you.
Care: Machine wash cold. Do not bleach. Tumble dry low. Do not dry clean.
Imported.

Returns & Exchanges

Due to their intimate nature, underwear and swimwear are not eligible for returns.
A one-time size exchange is allowed help you find your best fit.
If you're unsure about sizing, reach out for personalized guidance directly from Jonny Boy.