Gregory Baltoro 65 Backpack Size Chart
  Small Medium Large
Torso Length (in) 16-18 18-20 20-22
Capacity (cu in) 3844 3966 4150
Product Weight 5 lbs, 6 oz 5 lbs, 10 oz 5 lbs, 14 oz

These are general guidelines only, sizes are not guaranteed. But no worries, since at SunnySports we offer our exclusive PFF Guaranty