Abstract: A golf bag having a golf club collar, said collar comprising: at least a first layer defining a plurality of golf club holders, wherein at least some of the said holders include a supporting surface configured to be at least partially moved by a force exerted thereon by insertion into the bag of a golf club shaft having a diameter larger than a preselected diameter, said supporting surface configured to provide an opening sufficient for insertion of the shaft into the bag, said opening having a diameter which is at least equal to a diameter of the portion of the shaft passing through said first layer.