Standard vs Slim

Built for different thigh profiles.

Most underwear brands only change the waist size.

PREDICTION also lets you choose how the leg fits.

Size Chart Image

Standard Fit

Classic, comfortable fit with a relaxed thigh and leg opening.

Perfect for everyday wear and maximum comfort.

vs.

Slim Fit

Tailored fit with a slimmer thigh and leg opening.

Ideal for a more modern, streamlined silhouette.

Important:

Standard and Slim use the SAME waist measurement.
Slim does not mean a smaller waist — only a slimmer thigh and leg opening fit. "Choose Slim if you prefer a closer, more tailored leg fit."

AD ASTRA SERIES
STANDARD
Comfort, Relaxed Fit
SLIM
Closer, Tailored Fit
Men’s boxer briefs Standard fit vs Slim fit size comparison - Ad Astra Slim Fit Navy Blue
Men’s boxer briefs Standard fit vs Slim fit size comparison - Ad Astra Standard Fit Black
RYDER SERIES
STANDARD
Comfort, Relaxed Fit
SLIM
Closer, Tailored Fit
Men’s boxer briefs Standard fit vs Slim fit size comparison - Ryder Slim Storm grey
Men’s boxer briefs Standard fit vs Slim fit size comparison - Ryder Standard Black
Size Chart Image
Choose Your Feel

Relaxed or Tailored

Find what feels just right. Choose Standard for more room, or Slim for a closer hold.

Still not sure?

Start with your normal waist size.

Choose Standard if you want more room around the thigh.
Choose Slim if you prefer a closer, more tailored leg fit.