US$ 21.95
LINER: 88% Recycled Polyester
While the first iteration focused on combining a soft and lightweight design
All of this sits beneath an engineered mesh upper that keeps you locked with breathable comfort and support
Features a water-resistant
When comparing the Brooks Glycerin GTS 21 to the Glycerin GTS 20
WOMEN'S ENDORPHIN SPEED 4 9mm LINER: 88% Recycled PolyesterWe're all seeking relationships that go the distance. The Endorphin Speed 4 running shoe is here to fill the role. Designed as a race day shoe, its quickly proven itself much more, equally capable during long, moderate training sessions and sprints to the finish. Thanks to the just right combination of winged nylon plate, SPEEDROLL technology and PWWRUN PB foam, this cushioned running shoe provides the perfect balance of support, rebound and