UK Size 4. Size 37 Improve the comfort of any Shoes for Crews' range, with the gel insoles (UK size 4) from the Comfort range. The insoles are designed to fit within your shoes and provide additional support and comfort which is ideal for long days on your feet. The shape of the insoles supports the movement of your feet and provides a protective layer that increases the lifespan of your footwear.

The gel layer provides a natural cushion that will mould to the shape of your feet and supplies superior in-shoe grip.