Brooks
Glycerin 21
$165
Foam DNA Loft v3 (same family) · plate none (same family)
| Stack | 35 → 36 mm (+1) |
| Weight | 283 → 295 g (+12) |
| Wet grip | 8 → 8 (0) |
| Stability | 8 → 9 (+1) |
| Price | $140 → $165 (+$25) |
Stack and mass are the closest in the current catalog; foam stays in the same family and the plate stays in the same family; you pay $25 more.





