Its great not knowing where the trail ends if you share this single track mind then you need an escapist 18 everything osprey know about building bike packs is in the escapist osprey know what biking 100 miles feels like so they39ve integrated their unique airscape backpanel with ridge foam to provide relentless ventilation and support during fast descents the biostretch harness and side wings listen to your body to secure your pack on your back youll be working hard so keeping hy