Without a grip they can be positioned as shown here

Werfen wir einen Blick auf die Kameraausrüstung und das Setup, das mit ATHLETE PACK: How Bodies without Battery Grips fit hat

ere is the exact same kit without the grip. As you can see there is ample head room for both the body and lens now. Please use your judgement when setting up your pack. Move tall items up higher and keep the tension away from the bottom corners.