With Altra’s signature FootShape fit

Trampoline-inspired outsole design: Helps provide a more responsive bounce back

The reinforced upper provides exceptional breathability and support

- Racerback and embossed details

Neofleece® face mask

Men's Brooks Glycerin 23 racing With Altra’s signature FootShape fitSavor every stride in the men's Glycerin 23, featuring premium, tuned cushioning for plush landings and powerful toe offs. Best for Road running, Everyday runs, Long runs Cushion Plush Experience luxuriously soft landings with powerful toe offs. Support Balanced support Secure heel with dynamic forefoot helps provide inherent stability