Scarpa Phantom Tech HD

This is an excellent, warm, lightweight boot that's proved perfect for technical winter and alpine climbing. You would have to be an exceptional winter climber to outgrow the capabilities of these boots. The uppers are reasonably waterproof - perhaps their only failing in this regard being above-zero Scottish bog walk-ins. By the standards of a modern lightweight boot they have a very durable, yet sticky sole, that Scarpa have designed to be easily resole-able. Whilst heavier leather boots like a Scarpa Mont Blanc or La Sportiva Nepal will be more durable and waterproof (as well as cheaper), for their combination of low weight, warmth and climbing performance the Phantom Tech HD is hard to beat.