Women's Brooks Glycerin 21 Size:UK4 That's why we designed this

That's why we designed this to lock in while you're in motion

Breathable pool sock with Silicone Grip

Perforated panels for strategic ventilation

The insoles also have an advanced design TPU arch brace in order to produce stability and support that assists all but some high- and low-arched foot types

Women's Brooks Glycerin 21 Size:UK4 That's why we designed thisProduct Details Enjoy supreme softness and ultimate comfort from your first step. The neutral Glycerin 21 women's running shoe provides a plush ride thanks to more DNA LOFT v3 cushioning than before plus a new, more streamlined upper that delivers structure and breathability. Features Supreme softness Improved fit Smooth, stable transitions