2026 Nikwax Basewash Wash-In 1 Litre NW1000143

Nikwax Basewash Wash-In 1 Litre

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Product details

Year: 2026Model: NW1000143

The only conditioner designed to deodorise and enhance the wicking and drying performance of technical base layers. Easy to use in the washing machine with your regular detergent.

For conditioning base layers.

Features:

  • Deodorising conditioner for base layers and next-to-skin clothing.
  • Deodorises, makes fabrics dry faster and can be used in a mixed wash.
  • Revives the performance of your gear, keeping you fresher and more comfortable.
  • Recommended for all synthetic and woollen sportswear.

Deodorising laundry booster for fitness apparel and next-to-skin clothing.

BaseFresh effectively deodorises, inhibits the build up of body odors, accelerates drying and improves cooling efficiency of all active clothing.

Why technical base layer fabrics dry quickly and cool you down...

Activewear and sport clothes are designed to be worn next to the skin, providing user comfort by maintaining body temperature and controlling moisture. The fabrics used are highly wicking (they will spread moisture out over a large area), fast drying and breathable. It is therefore essential to maintain these properties when caring for them.

Activewear need to be cared for properly to keep it in top condition…

To keep sports clothing functioning properly, care must be taken when washing. Using conventional household detergents or fabric softeners can impair wicking properties by causing the fabric to retain moisture. This leads to reduced wicking capabilities and slow drying of the fabric. Over time a build up of bacteria and body oils, especially in synthetic fabrics, can lead to them smelling. If using conventional detergents or fabric softeners, odors will not be adequately removed. Instead, they are masked by perfumes which fail quickly, leaving you with smelly base layers!

Wash your base layers when they start to smell...

Once your active clothing has been used a few times and is starting to smell, clean it with a standard detergent in your regular laundry and use Nikwax BaseFresh to deodorize, freshen, soften, and enhance drying and cooling. Apply this product to gym clothes, socks, sports uniforms, and base layers to keep them in perfect condition.

Conventional household detergents and fabric softeners reduce the performance of your activewear…

Using conventional household detergents and fabric softeners will impair the wicking properties of sports clothing. Standard household detergents do not stop odors from building up in the fabric when in use. Conventional fabric softeners leave water-hating (hydrophobic) residues that will reduce the performance of the fabric, preventing it from spreading moisture and working to its maximum potential.

Nikwax BaseFresh used instead of a fabric softener allows the use of a conventional household detergent for cleaning, without compromising your activewear’s functionality. Additionally Nikwax BaseFresh improves wicking, accelerates drying, and removes and prevents odor build up.

Consider other Nikwax products if you have a lot of sports clothing and activewear…

Nikwax BaseFresh is fantastic if you only have a few dirty activewear items and want to clean them in a regular laundry load, while maintaining their technical attributes. However, if you have a full load of active clothing, Nikwax BaseWash or Nikwax Wool Wash™ can be used to both clean and deodorize, without the need for additional detergents.

How To Use:

IMPORTANT: Shake well before use. Follow care label instructions. Do not use fabric softener. Do not use on waterproof clothing. Use undiluted Nikwax BaseWash® to treat stubborn stains before washing.

  1. Place item(s) in washing machine.
  2. Add 50ml of BaseWash® to detergent dispenser.
  3. Wash according to care label.

Nikwax BaseWash® can also be applied by hand…

IMPORTANT: Shake well before use. Follow care label instructions. Do not use fabric softener. Do not use on waterproof clothing. Wear gloves. Use undiluted Nikwax BaseWash® to treat stubborn stains before washing.

  1. Immerse item(s) in 7.5L of warm water.
  2. Add 25ml of BaseWash®.
  3. Agitate to mix, leave to soak for 5 minutes, then agitate thoroughly.
  4. Rinse with cold water until water runs clear.

Leave your garments to dry naturally…

Air dry or tumble dry on a low setting if care label allows.

Get your gear when you need it. We offer a range of fast, reliable delivery options to get you back on the water as soon as possible.

Standard Delivery: £3.95 or FREE when you spend £75.
Delivered in 2-3 days (mon-sat).

Can't wait? Upgrade to Next-Day delivery for just £1 on qualifying orders over £75.

Next-Day Delivery: £4.95 or FREE when you spend £150.
Delivered in 1-2 days (mon-sat) 99% of deliveries arrive next-day.

Saturday UK Delivery: £14.95
Order by 4pm (mon-fri). Orders placed after 4pm on Fridays will be delivered on Saturday the following week.

Dispatch Speed
We know you're eager to get started. That's why we aim for same-day dispatch on all orders placed before 4pm GMT (Monday - Friday).


International Delivery
Wetsuit Outlet is a global leader in water sports. We ship to a vast range of international destinations with competitive rates and reliable transit times. Please refer to our full list of shipping destinations for eligible countries and estimated timeframes. International delivery times may vary depending on customs clearance procedures. Customers are responsible for any customs duties or import taxes unless otherwise stated.


Click & Collect
Local to Essex? Skip the shipping and collect your order directly from our warehouse. Most orders are ready to collect within 1-2 hours (Mon-Sat) - we will email you the moment your gear is ready.

Address: Wetsuit Outlet, The Gunnery Drill Shed, Chapel Road, Shoeburyness, Essex SS3 9SL, United Kingdom.

Collection hours

  • Weekdays: 9am - 5pm
  • Saturdays: 9am - 1pm


Important Information

  • Delivery Issues: If you experience any issue with your delivery, please contact us within 2 weeks of your dispatch date, so we can help resolve it quickly. Our delivery partners require us to raise any loss or damage investigations within specific timeframes. Prompt notification ensures we can take action on your behalf. Your statutory rights are not affected.
  • Delays: All delivery estimates exclude Bank holidays and apply to mainland UK only. Deliveries to N. Ireland and remote areas may take slightly longer. While we aim to meet the estimated delivery timeframes, delays may occasionally occur due to circumstances beyond our control, including adverse weather, transport disruptions, industrial action, or customs procedures. We will make reasonable efforts to minimise disruption and keep customers informed where possible.
  • Customs Duties & Refused Shipments: If the recipient refuses to pay any applicable customs duties, import taxes or clearance fees, the shipment may be returned to us. In such cases, any costs incurred for return shipping, customs processing, storage, or carrier handling fees will be deducted from the refund. Original outbound shipping costs are non-refundable. If return charges exceed the value of the goods, we reserve the right to withhold the refund.
  • Incorrect Address & Uncollected Parcels: Please ensure your delivery address is entered correctly at checkout. If an order is returned to us due to:
    • An incorrect or incomplete delivery address provided by the customer
    • Failure to collect the parcel from a designated parcel shop or delivery point within the required timeframe
    we reserve the right to deduct the original shipping costs and any return shipping or handling fees incurred from the refund amount. Original shipping costs are non-refundable in such circumstances.
  • Failed Delivery Attempts: If delivery attempts are unsuccessful, the courier may attempt redelivery or hold the parcel at a local collection point. It is the customer's responsibility to follow the courier's instructions to ensure successful delivery. Failure to respond to delivery notifications may result in the parcel being returned to us.

We offer a 60 day, easy return policy for unwanted items. We ask that all items are returned to us in a clean, unused and resalable condition, in the original outer and product packaging.

On the rare occasion you have experienced an issue with the items received, or you have not received your order within 3 weeks of receiving your dispatch confirmation, contact our dedicated customer service team and we will be happy to assist you.

Every product sold on wetsuitoutlet.co.uk comes with a 12-month manufacturer warranty unless otherwise stated.

For more details or to generate a return, visit our returns page.





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