PHD Mountain Software

A randomly generated image showing PHD gear being used in cold weather climates

Down Sleeping bags, down jackets, mountaineering clothing. Made in England. "The best custom-made down gear in the UK comes from Peter Hutchinson Designs" — Sir Ranulph Fiennes

Gear by Activity

Name your activity and view the wide selection of PHD gear suited to your choice.

About Us

PHD is one of the world's premier designers and manufacturers of down sleeping bags, down jackets, and mountaineering clothing. Over 40 years designing for extreme high altitude and polar ventures lies behind this wide range of products for the mountain enthusiast. More

900 Fill-Power Down

PHD's 900 down, the best we have handled in 50 years in the trade, brings extra performance to Ultra, Yukon and Hispar gear and redefines the boundaries of Ultralight. Weightless travel? Not quite, but closer than ever before. More

Design Your Own Sleeping Bag

Try our interactive service with multiple design options and millions of possibilities.


Planning a Trip?

PHD Gear Adviser helps you find the right cold weather gear for your trip.


PHD Gear Adviser

Expedition News

Ranulph Finnes on EverestPHD Supply The Three Dogs

We supplied John Simpson, Robin Knox-Johnston and Ran Fiennes with cold weather gear for the Arctic leg of their BBC TV documentary series, Three Dogs.

Race CalendarNew! PHD's Race Calendar

Check out our new guide on sleeping bag and clothing selection for mountain & desert marathons / adventure racing.