SAXX Underwear

SAXX Underwear is made to change your life.

Designed to match your 3D anatomy, SAXX uses a patented internal ballpark pouch to keep everything in place, give you superior support and is comfortable during your runs, workouts and everyday use.

To keep your underwear friction-free and distraction-free, flatlock seams and super-soft, breathable fabric dries moisture fast and controls odor for an all-day fresh and cool feeling.

Quite possibly the best pair of mens sports underwear (or any underwear) you will ever own, SAXX comes in a variety of colors, styles, and lengths to keep you feeling good before, during and after your run.

Shop SAXX Underwear at Fleet Feet and receive free shipping and returns on orders over $99.

About SAXX Underwear

SAXX Underwear makes life-changing men’s underwear. Made to handle everyday, outdoor and sports use, SAXX’s patented internal ballpark pouch is perfectly constructed to fit your anatomy. So you feel naturally supported and comfortable during any type of movement or activity. Available in a variety of styles, lengths and colors, SAXX Underwear feels soft and cool to the skin, reduces friction and chaffing, and is stretchy and supportive.

Size Guide


Waist Size














Available in: Relaxed, Slim, & Semi-Compression

Relaxed: With a focus on comfort and movement; a slightly looser fit in a classic silhouette.

Slim: For tug-free layering; form-fitting around the waist and seat.

Semi-Compression: Hybrid performance fit perfect for training and post-workout comfort.

Free Shipping & Returns

Not sure about buying SAXX underwear? Don't sweat it. Get free shipping on orders over $99 when you shop on

If you don't like how your new running underwear looks, fits or feels, we'll take them back within 60 days. That's our Happy Fit Guarantee.

Don't know where to start? Check out our guides for best running shoes, best running clothes and best running gear to get you going.