The teardrop shape distributes weight ergonomically throughout the length of the bag, rather than pulling from one point on the shoulder. The bag doesn’t pull away from the body, it contours to your back, whether you wear it on one shoulder (either shoulder) or cross-body.
They are available in various sizes, Bagletts which can be worn over the shoulder or around the waist, great for carrying small items, or dog poo bags and treats! Large Bagletts will take a mobile phone, passport and sunglasses, great for travelling. The larger bags are Small, holds all daily essentials: mobile, wallet, small water bottle, mini umbrella. If you have to carry a well-stocked bag, or a small laptop, then choose the medium one. Good for day trips and sight seeing.