Practical help with the questions that matter when you buy clothes and shoes online: which size to order, how it should fit and what to check before you pay.

The shape and length of a skirt decide how it moves, where it sits and what it goes with. Here is how the main styles differ and how to get the size right.

Italian labels use their own size numbers. Here is how IT sizes convert to UK sizes for women and men, why brands differ and how to measure to get it right.

Designer pieces are expensive, so a wrong size or a surprise charge hurts. Here is what to check on the listing and the shop before you order.

Shoe sizes change between the UK, Europe and the US, and between brands. Here is a conversion table, how to measure your feet and what to check by shoe type.

School shoes are worn for hours a day, so fit matters more than style. Here is how to measure, what room to leave and which fastenings suit which age.