Mark Eller tests and evaluates apparel and equipment for a variety of outdoor sports, from running to rock climbing. He competes in running races ranging from 5 to 50 kilometers and has completed multiple Boston Marathons. He also directs the marketing and communications program for Leave No Trace, an environmental education non-profit.
Published
These top-performing long-sleeved running tops keep you warm when it's cool out and stay comfortable when it heats up.
After months of cold-weather testing, these are the tights and pants we wanted to keep wearing.
These tested and approved weatherproof jackets keep you comfortable running in cold and wet conditions.
Don’t let frozen ears and fingers ruin running in a winter wonderland