Backpacker Black Diamond Sphynx 42 October 12, 2009 Katie Herrel Facebook Icon Twitter Icon Email Icon Brand: Black Diamond Gear Reviews Model: Sphynx 42 Existing modelA mid-volume, versatile pack for ice, rock or alpine missions When you buy something using the retail links in our stories, we may earn a small commission. We do not accept money for editorial gear reviews. Read more about our policy.