The altura airstream bibshorts are constructed from 8 panel hardwearing stretch lycra design with an antibacterial 2 layer stretch insert to keep you feeling fresh and comfortable so you can stay in the saddle for longer any rider knows that comfort is key to an enjoyable ride because they39re stretchy the bib short and the insert will move with your body so it cushions all the right places for incredible fit and feel as you cycle what39s more the reflective trim on these altura