" The water flows down the next pitch like a blanket. I plunge my hand through the torrent, the water pushing hard and seeping up my sleeve. We glance back toward the car park, an hour away. The wind whips across the slab, lifting an uppercut of freezing water on to my chin. Rock climbing in Snowdonia in December - madness? Probably, but I got a chance to test the Marmot Exum shell layer. The question is: Did I stay dry?"
