Hold a nationally accredited fitness certification highly preferred (ACE, ACSM, Cooper Institute for Aerobics Research, C.H.E.K, IFPA, NASM, NCSF, NESTA, NETA, NFPT, NSCA, PTA Global, W.I.T.S.). TITLE Boxing Club is the worlds leading boxing fitness brand that offers a full-body, authentic heavy-bag workout designed to build your fitness, control your breathing, and clear your mind.