Size guide available near the size selector

The product has a size option and no size guide was linked from the page.

Fit uncertainty makes apparel shoppers hesitate; a size guide at the selector answers it in context.

1. 1Add a 'Size guide' link beside the size picker that opens a chart in a drawer, plus a one-line fit note ('Runs true to size').

Med impact on add-to-cart

If we add a size-guide link next to the size options, then add-to-cart rate will rise, because shoppers can choose a size confidently.