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Frequently Asked Questions

What makes Grubs Boots so great?
It's all in the design. All Grub® are 100% waterproof keeping feet warm, dry, and protected in harsh weather and messy working conditions. The secret – our exclusive self-insulating waterproof CR-foam shell construction. The CR-foam bootie material acts as a "neutral medium" between inside and outside temperatures. Naturally lightweight, buoyant, and very comfortable, the material keeps the foot and lower leg warm and protected in cold and wet conditions.
Natural rubber overlays act as a protective skin for the upper bootie. The upper has a triple reinforced toe area and a quadruple reinforced heel area. The outsole is made of high abrasion natural rubber. The rubber in the boots will stay flexible for years.

How are Grubs Boots sized?
Standard U.K sizes for men and women (unisex sizing). Boots and shoes are available in whole sizes only, but will stretch to fit half sizes. There is a 15mm toe allowance built into the sizing. Our boots and shoes are made to standard widths, but the materials will stretch comfortably to fit widths up to a EEEE. For narrow feet, we suggest wearing a thicker sock or putting in an additional sockliner to take up room.

Are the collar and calf stiff?
No. The upper calf and topline areas are made of soft, flexible CR-foam and will "stretch-fit" to virtually any calf girth. With the flexible upper, the pant leg can be worn over or inside the boot. The collar material can be turned down to allow hands-free removal and vent humidity in warmer working conditions.

Should I wear thick socks?
It isn't necessary unless activities are planned for extreme cold conditions. The CR-foam bootie material is rated sub-zero during active use and will effectively withstand freezing temperatures for up to one hour. Medium-weight athletic socks should provide the best fit. The upper will stretch to accommodate thicker socks.

How does CR-foam compare or rate against Thinsulate® and/or Gore-Tex®?
Thinsulate®, made by 3M® Corporation, is typically used in work boots and hiking shoes to resist cold temperatures. Thinsulate® is typically laminated to the whole shoe lining or glued into the toe area of a shoe or boot. It is not a waterproof material. Gore-Tex® is a breathable, waterproof membrane but is not an insulating material. The CR-foam used in Grub's® is both waterproof and self-insulating. Our materials exceed the long-term effectiveness of waterproof membrane materials and provide greater insulating properties than all non-specialty temperature-control substrates.

Does this footwear allow your feet to breathe?
Unlike many pac boots, Grub's® do not have an inner felt liner. Felt liners are very hot and can cause skin irritation with prolonged use. One of the most important and revolutionary features of Grub's® footwear is the structured, breathable Airmesh™ lining used in all our products. Airmesh™ is made up of thousands of tiny vertical fibers that allow air to circulate throughout the interior lining surfaces. Excess humidity and perspiration that might build up in the boot are quickly wicked away. This creates a comfortable environment for your feet that lasts for extended periods of use.

How do you care for and clean these products?
The rubber shell and nylon upper are very durable and clean up easily with a spray of water or gentle scrubbing with soap and water. The rubber upper can be conditioned however it is not recommended to use conditioners on the outsole areas. This may cause it to become slick in wet or icy conditions.

Can the rubber be repaired if punctured?
Yes. The natural rubber can be repaired with sealant found in local hardware stores. We recommend Stormsure® brand sealant. First, clean the punctured area thoroughly with mineral spirits. Then, apply the sealant over affected area and wipe to a thin film. The sealant should air dry for at least 24 hours.

What are your boots best suited for?
Our boots are extremely versatile. We have ranges that cater to every type of consumer, both professional and hobby use. Whether you're looking for dog walking boots, ankle boots, proper wellington boots for on the farm or out in the field or anything in between, you're sure to find something with GRUBS. If you need some help, why not contact our team for some advice.


Grubs Boots Warranty

Grubs Boots Limited Warrants to the original end consumer, that its footwear be free from defects in materials and workmanship for a period of one year from the date of purchase, providing the said is returned to the original point of purchase within twelve calendar months of the date of purchase.


This limited warranty does not cover any damage arising from: normal wear and tear, failure to adequately maintain and store the footwear, unauthorised alterations, repairs or modifications not performed by Grubs Boots Limited, used other than in the manner intended, improper or inadequate fit, use of a safety boot after such boot has sustained damage rendering it unsafe for use in the environment for which it was designed, damage caused by chemical, organic or foreign substances.  Grubs Boots Limited does not warrant that any of its footwear provides protection from snakebites or bites from other wildlife and is not liable for personal injury resulting from such bites.



Understanding our warranty.

Your statutory consumer rights with regard to the purchase of clothing and footwear can be found in the Sale of Goods Act. They refer to standards of quality and consumer expectations, and what you should do if these are not met.


Any pair of shoes or boots you buy should be of reasonable quality, with no damage such as missing pieces, holes, stains etc. The items should be fit for the purposes intended – i.e. if a boot is described as waterproof, it should be exactly that!

As listed in our exclusions, we will not warranty any returns that exhibit wear or wear related issues:

Our boots are waterproof, insulated and comfortable straight from the box any issue that is due to a manufacturing issue will show up within the first weeks of use, such as leaking or poor bonding.  We advise to try on boots in store to ensure correct fit and to wear the boots as intended straight away.

Whilst the rubber and nylon upper are very durable, it is essential to ensure that you maintain them with regular cleaning and conditioning. Simply spray them with water and use a soft brush to remove any dirt then apply a rubber conditioner to replace the lost plasticising agents in the rubber.  Acidic or alkali soils, animal waste and chemical fertilisers all leach the plasticisers from the rubber upper and soles.  If regularly exposed and not cleaned and maintained it will harden and crack causing splits and eventual leaking.  Grubs Boots Limited recommends the use of McNett Revivex spray which is available from and leading retailers.

Grubs Boots Limited does not warrant:

• Product returned for incorrect fit or injuries sustained due to it, such as blisters or rubbing. 

• Excessive or quick wear.

• Cracking or splitting of uppers and or soles.

• Cut, snagged or damaged upper.

• Over twelve months old.

• That are a replacement pair of boots for a pair that has failed within the warranty period    and has been replaced under warranty.  If boots are replaced under warranty the warranty continues from the original date of purchase not the replacement date.

• Products without proof of purchase.

• Persons other than the original purchaser.


Warranty process.

We pride ourselves on the quality of our products and our ethical approach to their production. We are a responsible trading partner with all our customers.  The following procedure is the only method of warranty redemption.

The original purchaser should return the product to the point of purchase.

The point of Purchase (retailer or online store) should photograph the fault, the wear on the outsole and mail this electronically along with the date of purchase (proof of purchase) to Grubs Boots Limited at

Grubs Boots Limited will evaluate the claim within 48 hours and advise:

a) There is a warranty claim and issue a four-digit claims number, this will initiates a retailer credit, which will be applied to the account.  Grubs boots Limited will ask for the logo of the boots to be returned by post with the four digit claims number and a credit will be initiated onto the retailers account.

b) Damage is due to consumer misuse; lack of care or accidental damage and the warranty is void.

On some occasions where the issue is not evident on the pictures sent Grubs Boots Limited may ask for the boots to be returned for evaluation to determine the exact nature of the fault a claims number will be issued and the boots need to be returned to:

Claims Department

Grubs Boots Limited

Unit 3 Bradshaw Works

Printers Lane




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