Thanks to our new HIDDEN-HINGE technology (patent pending) and our LUXE-LOCK linings, you'll feel the difference as soon as DEEP COVER envelops your head in a soft halo. But we didn't stop there.

 Since each head shape is unique, we have included a unique fitting kit comprising 17 liners and wedges for optimal customization.

 Even better, we've packed all this new technology into a classic, ultra-slim profile. On the outside, DEEP COVER is simply perfect. On the inside, the fit is unmatched. The HIDDEN-HINGE technology (patent pending) provides a precise, self-adjusting fit, deep inside.

 The Back Fit LUXE-LOCK liners are a revelation: 3 densities of precision foam wrapped in a sweat-wicking fabric to envelop the occipital region at the base of your skull.
 Once you've tried it, there's no going back.

 Advanced fitting kit with 17 liners and shims for customization to the unique shape of your head.
 Classic shape, deepest fit and lowest profile in 4 sizes, each with a unique ABS and EPS shell for the closest fit to your head.

 XS/S 20 – 21.25 in (51 – 54 cm)

 S/M 21 – 22.5 in (53 – 57 cm)

 L/XL 22.5 – 23.5 in (57 – 60 cm)

 XL/XXL 23.5 – 24.5 in (60 – 63 cm)

 PRO TIP: If your measurements fall between the sizes listed, or if you're simply unsure, we highly recommend choosing the larger size. Over the years, we've found that our customers achieve better results by choosing the next size up.