1. A DETACHABLE STIRRUP CONSTRUCTION FOR SLACKS COMPRISING IN COMBINATION A PERIPHERAL INTERNALLY CUFFED HEM AT THE TERMINAL PORTIONS OF THE SLACK LEGS, A FIRST TYPE OF CONTACT ENGAGING MATERIAL SECURED TO SAID HEM AT OPPOSITELY DISPOSED LATERAL PORTIONS THEREOF, SLITS IN SAID HEM AT THE FLANKS OF EAH OF SAID PATCHES AND COOPERATIVELY COMMUNICATING WITH THE AREA WITHIN SAID HEM TO DEFINE STALLS, A FLEXIBLE STRAP, TONGUED STAY ELEMENTS SECURED TO THE RESPECTIVE ENDS OF SAID STRAP AND TRANSVERSELY PRJECTING OUTWARDLY THEREFROM, A PATCH OF A SECOND TYPE OF CONTACT ENGAGING MATERIAL SECURED TO EACH END OF SAID STRAP, SAID STAY ELEMENTS BEING INSERTED THROUGH THE RESPECTIVE SLITS INTO SAID STALLS AND URGING SAID FIRST AND SECOND TYPE PATCHES INTO FACE-TO-FACE ABUTMENT WITH EACH OTHER WHEREBY THE ABUTTING PATCHES INTERLOCKEDLY ENGAGE WITH EACH OTHER AND COOPERATE WITH SAID STAYS IN DETACHABLY COUPLING SAID STRAP TO SAID HEM.