SB1 Inshore Smock: Neck Seal Adjustment Guide

The SB1 Inshore Dry Smock is built to keep you dry and protected in a wide range of sailing conditions. At the heart of its performance is the neoprene neck seal, which provides a near-dry seal for inshore and coastal sailing. But comfort is key too — and we know that not everyone has the same neck length or preferences when it comes to feel.

That's why we’ve designed the neck to be fully customisable.

Below is an easy step-by-step guide to adjusting the neck seal for a personalised fit. Rooster founder, Steve Cockerill also explains via video why you might want to trim the neoprene neck seal and explains an alternative method if you don’t need a fully dry seal and want a softer feel next to your skin.

Watch the video below or head to our youtube channel for more videos:

Why the Neck Seal Is Made This Way

The SB1’s neoprene neck is intentionally manufactured at its longest setting — suitable for those with longer necks or those seeking maximum protection. But we know that for many sailors, this can feel a little high. Fortunately, it’s easy to customise.

Option 1: Trim to Your Neck Length

If you want a more tailored fit, you can trim the neoprene down at the front. Here’s how:

How to Trim the Neck Seal:

1. Try It On First
   Put the smock on and assess how much material you’d like to remove for comfort. Start conservatively — it’s better to take a little off at a time.
2. Mark the Cut Line
   Use a soft pencil or tailor’s chalk to draw a shallow curve at the front of the neck. Most people choose to take off a small crescent from the centre front, tapering off at the sides.
3. Use Sharp Scissors
   Cut slowly and cleanly along your marked line. A sharp pair of fabric or neoprene scissors works best. Avoid jagged edges.
4. Test and Adjust
   Try the smock on again. You can always take a little more off if needed — but you can’t put it back!

Note: Cutting the neck will compromise the original dry-seal design slightly, but many sailors find this trade-off worth it for improved comfort in moderate conditions.

Option 2: Roll the Neck Inward

If you'd rather not cut the neck — or want to keep the dry-seal option for future sessions — there’s another simple trick.

How to Roll the Neck for Comfort:

1. Fold the top of the neoprene neck in on itself, so the sticky glideskin layer (which provides the dry seal) is no longer touching your skin.
2. This results in a softer feel and slightly looser fit — ideal for warmer days or when you don’t need full waterproofing.

This method gives you the flexibility to adjust the seal depending on conditions, without permanently altering the smock.

At Rooster, we believe kit should work with you. Whether you choose to trim the neoprene or roll it in, the SB1 Inshore Smock is designed to give you control over your comfort and performance on the water.