Racerback construction with additional vertical straps

Long distance tri chamois

Fresh Foam X midsole foam with approximately 3% bio-based content delivers the most cushioned Fresh Foam experience for incredible comfort

Lateral Guiderail also provides support for calcaneal adduction in high deviators

Best For: Road Running

Men's Brooks Glycerin Flex US Size:13.0 Racerback construction with additional verticalThe new rule bending Glycerin Flex running shoe provides a flexible, cushioned ride made to move with you. Brooks new strategically segmented midsole works as an extension of your body, putting you in control of your run like never before. Pair that with a breathable upper, and youve got a distraction free second skin the ultimate blend between human movement and tech. Unleash your feet The FlexZone (midfoot flex groove), plus the podular forefoot