What's left to do once you've created the most technically advanced boot? Make it better still. The Vega Evolution from Le Chameau now sports a new exclusive Vibram sole unit for the ultimate in traction and grip. This is the first time Vibram have designed a specific sole unit for a rubber boot of this kind. The Vega Evolution is a natural rubber boot which is designed to be so comfortable, that even on the longest of walks you simply forget you're wearing them!