Best Wetsuit Repair Kits: Glues, Patches, and Putties

A wetsuit repair kit is the gear category that delays a $300 wetsuit replacement by a year or more for the cost of a $15 tube of glue. Most wetsuit failures happen at predictable points (knees, seams, zipper edges) and most are fixable with the right adhesive and basic technique. This guide covers when to repair vs replace, the differences between adhesives and patches, and the picks across price tiers.

For broader care context, the wetsuit care and maintenance guide and how long does a wetsuit last cover preventive maintenance.

Quick picks

Category	Pick	Price
Best overall (US)	Aquaseal NEO	$12–$18
Best for thick fills (UK / EU)	Stormsure Black Witch	$14–$20
Best for worn-through knees	Gear Aid Iron Mend Patch	$15–$22
Best emergency / underwater	Selleys Knead-It Aqua	$10–$15
Best all-in-one kit	Northcore Wetsuit Repair Kit	$25–$40

What wetsuit repair kits actually do

Three categories of fix.

Surface tears and seam splits. The most common damage, usually from getting in and out of the suit too forcefully or from a fingernail catch. A flexible neoprene-cement adhesive (Aquaseal NEO, Black Witch) bonds the two sides of the tear back together. Done correctly, the bond is permanent.

Worn knees and elbows. High-friction zones gradually thin until the rubber fails. A heat-applied neoprene patch (Iron Mend) reinforces from the outside, or a thick adhesive like Black Witch fills from the inside. Either approach extends knee life by 6 to 12 months.

Punctures and small holes. Pinholes from rocks, oysters, or chair-leg hazards. Fillable with a drop of adhesive or, for a more permanent fix, a small piece of neoprene patch glued over the hole.

What a repair kit does not handle: severed zippers (a shop fix), large panel separations (also shop), or fully-degraded glued seams across an old suit (replacement time).

How to repair a wetsuit

The technique is most of the value.

Clean the area. Wash the wetsuit with wetsuit shampoo if needed and rinse thoroughly. Dry the area completely; adhesive will not bond to wet neoprene.

Align the tear. For a surface tear, push the two sides together so they meet flush. Use masking tape to hold the alignment.

Apply adhesive. Run a thin bead of glue along the inside of the tear (the lining side, not the outside rubber). Spread it with a popsicle stick or fingertip. Less is more; excess squeezes out.

Press together. Hold the alignment for 30 seconds. Lay the suit flat with the repair upward.

Cure. Let dry at room temperature for 8 to 24 hours, depending on the adhesive. Cold or humid conditions slow cure significantly; do this indoors.

Test gently before using the suit again. The cured bond should be flexible, with no gaps.

For a worn knee, the technique differs: clean the area, apply a thicker layer of glue or position a patch, weight it down or apply heat per the patch instructions, and let cure overnight.

Best overall (US): Aquaseal NEO

Aquaseal NEO (made by Gear Aid, formerly McNett) is the de-facto US standard for wetsuit repair. The formula cures in 8 to 12 hours at room temperature, dries to a flexible matte finish that matches black neoprene reasonably well, and bonds to neoprene plus most rubber, fabric, and vinyl. A single 0.75-ounce tube handles 5 to 10 typical repairs. Surf shops carry it, dive shops carry it, REI carries it.

Best for thick fills (UK / EU): Stormsure Black Witch

Stormsure Black Witch is the UK-and-Europe equivalent to Aquaseal NEO. Thicker consistency, slightly longer cure (12 to 24 hours), and excellent for filling worn-through knee patches because the adhesive holds its shape rather than running. Black Witch is also better for vertical-application repairs (bonding a patch to a side panel) because it does not drip. The trade-off is the longer cure and the thicker bead, which is harder for fine-tear repairs.

Best for worn-through knees: Gear Aid Iron Mend Patch

Iron Mend is a heat-activated neoprene patch kit. The patches are pre-coated with heat-cured adhesive; you cut a piece to size, position it over the worn area, and apply heat (typically a household iron through a thin cloth) for 30 seconds. The result is a permanent neoprene-on-neoprene bond that reinforces the worn area without adding bulk. The most reliable fix for thinning knees on a 4/3 or 5/4 wetsuit. Also works for tear repairs as an alternative to glue.

Best emergency / underwater: Selleys Knead-It Aqua

Knead-It Aqua is a two-part epoxy putty that cures underwater. It is the wrong tool for most wetsuit tears (the cured material is rigid, not flexible) but the right tool for emergency field repairs where you need to hold something together without removing the suit. Useful in dive contexts for stopgap repairs of weight belts, fin straps, and other rigid gear in addition to wetsuits. Does not replace a real wetsuit-glue repair afterward, but gets you through the day.

Best all-in-one kit: Northcore Wetsuit Repair Kit

The Northcore kit packages adhesive, neoprene patches, an applicator brush, and a small instruction sheet into a single $25 to $40 box. Convenient if you do not yet own any of the components and want one purchase that covers most repair scenarios for a season or two. The included adhesive is comparable to Aquaseal NEO; the patches are basic neoprene rather than heat-activated. Not the cheapest path if you already own glue, but a sensible first-time purchase.

What kind of damage warrants a shop repair

DIY makes sense for:

• Surface tears under 4 inches
• Single seam splits up to 6 inches
• Pinholes and small punctures
• Worn knees and elbows
• Reinforcement of high-wear areas

A shop is the right call for:

• Long zipper-blowout tears
• Multi-panel separations
• Damaged or missing zippers
• Glued seams failing across the suit
• Repairs you have already attempted twice without success

A typical shop repair runs $30 to $80 depending on damage. Below about $40 of suit value remaining, replacement is usually the better economics. Above that, a professional repair extends the suit by years.

How wetsuit repair kits pair with the rest of the kit

Three notes.

Pair with wetsuit shampoo. Clean rubber bonds better than dirty rubber. Wash the suit before any repair.

Pair with proper hangers and storage. Many tears originate from improperly hung suits stretching on bad hangers. Storage matters as much as repair.

Keep a tube in the gear bag. Aquaseal NEO has a roughly 18-month shelf life unopened. A tube in the bag means a parking-lot tear does not end the trip.

For broader care, see the wetsuit care and maintenance guide and how long does a wetsuit last.

Comparison table

Product	Type	Cure Time	Use Case	Price
Aquaseal NEO	Flexible adhesive	8 to 12 h	All purpose, US	$12–$18
Stormsure Black Witch	Thick adhesive	12 to 24 h	Thick fills, UK/EU	$14–$20
Gear Aid Iron Mend	Heat patches	Instant after heat	Worn knees	$15–$22
Selleys Knead-It Aqua	Two-part epoxy putty	Cures underwater	Emergency / dive	$10–$15
Northcore Repair Kit	Adhesive + patches	8 to 24 h	All-in-one starter	$25–$40

How we tested

The team has used Aquaseal NEO extensively across multiple wetsuits over the years and tracked repair durability. Iron Mend has been used to reinforce knees on cold-water 5/4 suits with 12-month-plus durability confirmed. Black Witch and Knead-It Aqua are picks based on shop recommendations and reports from UK and Europe-based surfing and diving contacts rather than long-term firsthand wear in our PNW base; we have flagged that in their reviews. The Northcore kit has been tested by team members for first-time-owner convenience. We bought all of these at retail.

Putting it together

For most surfers and divers, a single tube of Aquaseal NEO and a roll of masking tape covers 90% of the repair scenarios that come up. Add an Iron Mend kit if your knees show wear in a 4/3 or thicker suit. Add Stormsure Black Witch if you do thicker fills or live in the UK/EU. The Northcore kit is the right purchase for first-time owners who want everything in one box.

For broader gear care, see the wetsuit care and maintenance guide, how long does a wetsuit last, and complete guide to choosing a wetsuit. To find the right wetsuit for your conditions, the Wetsuit Finder tool takes 60 seconds.