What is the difference between a big-size jacket and a tall-size jacket?

A big size adds room through the chest, waist and upper arms; a tall size adds proportion through the body and sleeves without necessarily adding the same width. If a coat closes comfortably but finishes too high or exposes the wrists, sizing up may only make it baggier. Look for garment length and sleeve measurements, not just a larger XL label.

Which measurement should lead when buying a big and tall coat online?

Start with the chest measured over the layer you expect to wear, then check stomach or waist room, sleeve length and back length. For padded or waterproof coats, shoulder mobility is also critical. If two measurements point to different sizes, prioritise the tightest non-stretch area and choose a cut—regular, relaxed or tall—that solves the proportion problem.

Should I choose a gilet, Harrington, padded jacket or waterproof in big and tall sizing?

A gilet leaves the arms free and is useful for core warmth; a Harrington is a lighter waist-length casual jacket; a padded coat provides insulation; a waterproof shell prioritises rain protection. The collection contains all four, so choose the job first. A very warm jacket is not automatically waterproof, and a waterproof shell may need a fleece beneath it.

How do I stop a plus-size coat riding up when I sit or reach forward?

Look for adequate back length, room across the stomach and hips, and a cut that does not taper too sharply at the hem. Two-way zips or side adjusters can help in longer styles. Testing the coat over your normal layers while sitting and reaching is more revealing than checking it only while standing straight.

Is it better to size up for layering in a big and tall jacket?

Only if the measured chest and shoulder space require it. Purpose-built big and tall brands already add room and proportion, so an unnecessary extra size can make the sleeves, hood and shoulder line unwieldy. Compare the size guide while wearing your winter mid-layer and choose a model with a relaxed cut when you need space rather than automatically adding another X.