$50.00  $30.00
More Details The Summer Break Training Short is a simple, sleek running short for cranking out some summertime miles.
 $40.00  $24.00
More Details A durable, distraction-free running short for warm-weather training.
 $90.00  $54.00
More Details These lightweight running shoes are built to cover many miles on many different terrains in many different places. They're classic but still fresh, and they deliver the energy to go further.
 $280.00
More Details Lightweight, packable and quiet with the softest handfeel, the Flight FUTURELIGHT™ Jacket is the ultimate trail running partner. Stay protected from the elements while shedding heat in a breathable-waterproof jacket that breathes as hard as you do.
 $160.00
More Details The Women's Ultra Fastpack III blurs the boundaries between trail running and hiking. With a lightweight, abrasion-resistant woven upper and waterproof-breathable FUTURELIGHT™ technology, this is the shoe to take you further and faster than ever before.
 $45.00  $27.00
More Details Moisture-wicking, stretch-knit short-sleeve tee for all your running and training needs.
 $140.00
More Details Built for the most-technical trails, the Ultra Endurance XF running shoe is specifically for athletes seeking max cushioning and lightweight protection.
 $140.00
More Details Built for the most-technical trails, the Ultra Endurance XF running shoe is specifically for athletes seeking max cushioning and lightweight protection.
 $45.00  $27.00
More Details Moisture-wicking, stretch-knit short-sleeve tee for all your running and training needs.
 $40.00  $24.00
More Details The wicking and quick-drying Essential Tank is a flexible shirt that can keep up with all of your running and training needs in warmer weather.
 $155.00
More Details Truly at home on technical trails, the Ultra Traction is for athletes seeking protection, comfort and superior energy return.
 $50.00  $30.00
More Details Moisture-wicking, stretch-knit long-sleeve for all your running and training needs.
 $16.95
More Details

We put our newest and best technology into these improved Women's PhD® Run Ultra Light Micro socks. Our Indestructawool™ technology helps add all the durability you deserve and an Achilles tab helps prevents any sock slippage. The Shred Shield™ technology we incorporated into these running socks reduces wear and tear from toes, so nothing holds you back. And topping it off with a women's specific fit, makes these socks just your type.

 $18.95
More Details

Our Women's PhD® Run Light Elite Chevron Print Micro Socks socks just got a makeover. The Chevron Print was designed to add some swagger to your socks. It features all the protection you need without the bulk. You'll still be able to run like the wind with the comfort, breathability and durability that our PhD® socks provide, but this time, with some pep in your step.

 $280.00
More Details Lightweight, packable and quiet, the Flight FUTURELIGHT™ Jacket is the ultimate trail running partner. Stay protected from the elements while shedding heat in a breathable-waterproof jacket that breathes as hard as you do.
 $120.00
More Details Made with our lightest materials and balanced underfoot cushioning, the Ultra Swift is the shoe every athlete needs for taking on technical terrain.
 $145.00
More Details Built for the most technical trails, the Ultra Swift FUTURELIGHT™ is designed for athletes who want speed and balanced cushioning on rainy-day runs.
 $130.00
More Details The Ultra Traction is built for trail-athletes seeking a precise fit and responsive underfoot experience.
 $140.00  $84.00
More Details Built for the most-technical trails, the Ultra Endurance XF running shoe is specifically for athletes seeking max cushioning and lightweight protection.
 $165.00
More Details Built for the most-technical trails, the Ultra Endurance XF FUTURELIGHT™ trail-running shoe is specifically for athletes seeking max cushioning and lightweight protection on wet-weather adventures.
 $16.95
More Details

With all of the features that the PhD® Run Ultra Light Micro offers, your newest technology may be in your sock drawer. Indestructawool™ technology provides you with enhanced durability, while a 4 Degree™ elite fit system makes for a performance oriented fit. And Shred Shield™ technology reduces wear and tear from your toes. It's breathable, comfortable, and built to help take you farther.

 $18.95
More Details Our Women's PhD® Run Light Elite Micro socks will have you up for anything but a light run. These socks are built to go far. Featuring a 4 Degree™ elite fit system with a Virtually Seamless™ toe, there will surely be no shortage of comfort from the time you lace up to the moment you take them off.
 $21.95
More Details It’s time to take “burr” out of your running vocabulary. Stride out in our PhD® Run Cold Weather Mid Crew. A Merino blend and mesh zones designed for runners help keep your feet warm during long winter runs. With a run-specific profile and our 4 Degree™ elite fit system, with two elastics for greater stretch and fast recovery, these socks stay in place at every turn and up every hill.
 $18.95
More Details To run with the elite, your gear should be elite. The PhD® Run Light Elite Micro sock is just that. The latest technologies help you get to your highest level or performance. It's got just the right amount of cushioning on the impact zones of your foot to help keep you running longer.