The current model Everlast kangaroo bag in 8x5 size is a light and lively bag. It should hold up well, as kangaroo leather is known to be very durable. The construction of this bag is not welted, it punches nicely right out of the box, no need to wear down the welts.
About the Jim Bradley pro kangaroo bag, Alan Kahn says,
"...YES it is a must have, only because it is very light for so large a bag. Very fast and easy on the hands.* Almost feels like it's filled with Helium."
Here's MsDeville and her vintage Everlast Kangaroo speed bag:
Why Kangaroo? These seem like uniformly great bags, all of them. Once you try one, you'll probably always want at least one in your personal arsenal.
About the Jim Bradley pro kangaroo bag, Alan Kahn says,
"...YES it is a must have, only because it is very light for so large a bag. Very fast and easy on the hands.* Almost feels like it's filled with Helium."
Here's MsDeville and her vintage Everlast Kangaroo speed bag:
Why Kangaroo? These seem like uniformly great bags, all of them. Once you try one, you'll probably always want at least one in your personal arsenal.