Brooks Glycerin Flex review: The landings really are luxurious even on battered knees but the support doesn’t end there

FOR someone with battered knees, aching ankles and ever-tightening calves and hamstrings, any running trainer that can offer improved flexiblilty and comfort is worth considering. Brooks' Glycerin Flex promises both including "luxurious soft landings" thanks to its "DNA TUNED cushioning". (more of that later) The Flex bit comes from the unique FlexZone grooves and individual...