Brooks Glycerin 21 Womens Road Running Shoes Insulating Easy Access: Hydration-compatible pack with

Easy Access: Hydration-compatible pack with wide-mouth roll top

An injection-molded AirScape backpanel delivers fine-tuned performance

Fits perfectly inside our Wagontop™ tents (fills the 4P) for a cozy floor and welcoming appearance

The Storm 400 is engineered for epics in all conditions

Brooks Glycerin 21 Womens Road Running Shoes Insulating Easy Access: Hydration-compatible pack withProduct Description 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