Black Diamond Equipment says:
Redesigned shoulder straps and thermoformed backpanelZippered clamshell top opening with zippered top pocket and tuck-away rope strapMicro ice-tool PickPockets(TM) and removable 20 mm crampon strapsStrippable design: removable hipbelt with fixed webbing belt, removable framesheet and removable foam bivy padHydration compatible Tuck-away Helmet CarrierInstructions | Black Diamond Equipment Speed Zip 33 Pack Backpack Size Medium/Large, in Graphite
The Speed Zip 33 replaced the Black Diamond Epic 35.
Current Retail: $159.95-$169.95
Historic Range: $0.01-$169.95