The squared-off point avoids ricochets to a certain extent and increases penetration in wet pack - for reasons which are unclear to me.
Squared-off ovals with brown, smoke, or charcoal lenses, they're nearly universally flattering.
Cole Haan takes it up a notch by introducing a squared-off shape in addition to the more traditional aviator style.
The 8800 series has more of a squared-off design compared to the more rounded design of the Curve, but the core features and functions remain much the same.
Some "boy cut" or bicycle-short style cheer underwear has the opposite problem of the bloomers - that is, the squared-off legs show under the hem of skirt, which again can be a bit of a stylistic blunder in terms of cheer.