Produit

THE B.O.S.S. SYSTEM E-BOOK (anglais seulement)

29,99$ USD

Ajouter au panier

The BOSS (Bunch Of Skilled Singles) system is a form of block periodization in which you develop strength by training exclusively using single reps.

Simple, Weird, Unsettling, Effective

A whole new way to train, like you’ve never seen before!