Our philosophy
The double suit is a quick-change suit for reacting to variations in temperature, and we’ve been hearing tales of its appearances on the world’s highest mountains.
A new documentary has been released about the explorer, author, and user of PHD expedition gear, Sir Ranulph Fiennes.
From desert races to mountain marathons: our kit picks
Tell us where you're heading, we'll tell you what to take
Optimised layering: maximum versatility; minimum weight.