Life is good when a giant thermal onesie turns up in the post. Patagonia Men’s Capilene 4 Expedition Weight One Piece Suit – with Polartec is an amazing garment for hikers, skiers and winter sports enthusiasts. The next to skin layer has the warm yet exceedingly comfortable Polartec fabric technology to keep moisture and odor away from your body. The brushed fleece interior is incredibly snug yet manages not to restrict movement. The snugness goes all the way up to the hood which makes you look like a well-insulated ninja and there’s even a drop hatch around the back should nature call.

$199 from Pantagonia