Day Pack Comparison Chart
Bag (Product #) DIMENSIONS H,L,W VOLUME*
Aerostich Parcel Bag (#908) 14" x 18"/26" x 9" 2700 CU IN
Aerostich Waxed Cotton Parcel Bag (#9293) 14" x 18"/26" x 9" 2700 CU IN
Kriega R35 Backpack (#9063) 23" x 11.5" x 6.5" 2100 CU IN
Kriega R30 Backpack (#9062) 19.3" x 11.8" x 8.3" 1890 CU IN
Aerostich Courier Bag (#904) 12" x 18/23" x 7" 1700 CU IN
Aerostich Waxed Cotton Courier Bag (#9292) 12" x 18/23"" x 7" 1700 CU IN
Ortlieb Medium Flight Pack (#9138) 23" x 12" x 8" 1600 CU IN
Kriega R25 Backpack (#9062) 19" x 12" x 8" 1500 CU IN
Kriega US-20 (#9189) 15" x 9.5" x 6" 1500 CU IN
Ortlieb Cor13 Waterproof Rucksack (#9238) 17" x 9" x 8.5" 1300 CU IN
Kriega R20 Backpack (#9196) 18" x 11" x 6" 1200 CU IN
Aerostich Dispatch Bag (#905) 12" x 12"/18" x 7" 1100 CU IN
Aerostich Waxed Cotton Dispatch Bag (#9291) 12" x 12"/18" x 7" 1100 CU IN
Kriega R15 Backpack (#9195) 16.5" x 13" x 7" 900 CU IN
Black Diamond Collapsible Pack (#9097) 17" x 10" x 4.5" 690 CU IN
Ortlieb Waterproof Hip Pack (#9271) 9" x 11" x 2.8" 305 CU IN
Aerostich Letter Bag (#1905) 9" x 9"/12" x 3.75" 300 CU IN
Aerostich Waxed Cotton Letter Bag (#9290) 9" x 9"/12" x 3.75" 300 CU IN
Aerostich Banana Waistpack (#9042) 5" x 10" x 4" 200 CU IN
Kriega R3 (#9168) 5.5" x 10.5" x 3" 175 CU IN

*The volume presented here is to give a better overall size comparison. The figures presented are an approximation. Exact volume information is not available from all manufacturers, so the amounts shown have been calculated by multiplying the overall bag dimensions, and rounding down. Actual volumes will vary depending on each bag's unique construction.