SloggiWomen's 24/7 Microfibre Tai C3P Briefs

Is the back of the knickers cut generously enough to encompass the buttock? Or do they have ambitions to be a thong? Apologies for the directness.

How high do they come on stomach? I wear low waisted jeans...

Is anyone possibly able to lay the knickers flat, with the front and back waistbands aligned, and measure from top to bottom? i'd be a uk10, i think.

Do they have 100% cotton gusset? Thanks