Men's Brooks Glycerin 23 Siren most consistent fit (same as

most consistent fit (same as Pegasus 40)

An invisible GORE-TEX® membrane provides improved fit and breathability

The Ventair front body

Runners of all abilities running an easy pace for runs of any distance

This multi-purpose half-zip jersey is made from a functional blend of recycled polyester and elastane

Men's Brooks Glycerin 23 Siren most consistent fit (same asRun distraction free with tuned cushion for plush landings and electric toe offs. More tuned cushion Even more DNA TUNED via zonal nitrogen infusion takes plush landings and electric toe offs to the next level, so you can savor every mile. Comfortable, accommodating fit Our modern and streamlined upper features a new engineered knit, which provides enhanced comfort and breathability in a fit thats soft and accommodating. Smooth and stable transitions