These New Boxer Briefs Are Insanely Light — and Perfect for Tough

Mack Weldon's latest undergarment, the AIRKNITx HD, (almost) feels like you're wearing nothing at all.

These New Boxer Briefs Are Insanely Light — and Perfect for Tough Workouts

These New Boxer Briefs Are Insanely Light — and Perfect for Tough Workouts

These New Boxer Briefs Are Insanely Light — and Perfect for Tough Workouts

These New Boxer Briefs Are Insanely Light — and Perfect for Tough Workouts

Men's Mack Weldon Designer Underwear & Socks

Mack Weldon 18-Hour Jersey Boxer Briefs

Mack Weldon 18-hour Jersey Boxer Briefs In Frost

Mack Weldon AIRKNIx Boxer Brief 5Size Small

Mack Weldon 18-Hour Jersey Boxer Brief - No Fear Red