Mares SLS Slide & Lock System

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RRP £53.00
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Free UK Delivery

The Mares SLS Slide & Lock System is a sturdy zippered pocket for Quantum BCD’s which has a weight insertion.

Free UK Delivery

The Mares SLS Slide & Lock System is a sturdy zippered pocket for Quantum BCD’s which has a weight insertion.

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Mares SLS Slide & Lock System

The Mares SLS Slide & Lock System is a sturdy zippered pocket for Quantum BCD’s which has a weight insertion. The system easily slides into the pocket of your BCD and visually and audibly tells you if the system is engaged.

The safest system of its kind available, this piece of kit keeps you safe and secure in the water and helps to disconnect weight when needed. Coming in small and large sizes, the large weights have a 6kg capacity while the small ones have 4kgwhich can easily be disconnected and passed up to a boat team.

*Please note this system comes as a pair.

Key Benefits

  • Sturdy Zippered Pocket The system comes in a sturdy zippered pocket to make sure that it is durable and safe.
  • Visible and Audible Feedback To make sure that you know that the system is properly engaged it gives you visible and audible feedback which is obvious to the user.
  • Safe This system is one of the safest of its kind and works to make sure that you can drop any weight as easily as possible.
  • Easily Disconnected The weight insertion can be disconnected easily and passed up to a boat team without a worry.
  • 4/6kg Weight The large version comes with a 6kg weight while the small comes with a 4kg capacity to help with your buoyancy and balance.

Who is the Mares SLS Slide & Lock System For?

Ideal as a replacement set of weight systems for the Quantum BCD from Mares, this system provides excellent safety features. The system easily slides into the pocket of your BCD and visually and audibly tells you if the system is engaged. Easy to disconnect and get rid of the weights if needed, this is an essential if you have the Mares Quantum BCD.

Who are Mares?

Since being founded in Italy in 1949, Mares has become a worldwide leader in the manufacturing and distribution of state-of-the-art diving equipment, and continually sets new industry standards. They continue to invest in innovation, research and expertise almost 70 years after they were founded and are an industry leader that can be trusted to be quality.

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We will take every effort to get you goods to you as efficiently and effectively as possible. All orders placed before 3pm will be shipped on the day of ordering subject to payment authorization and item availability.

Any items which are out of stock will be shipped as soon as they become available. If this causes a delay in your delivery, you will be notified and your order dispatched as soon as possible. If any items are unavailable, you will be contacted and offered a replacement or refund.

UK Delivery

If your order total is under £40 then you can choose one of:

  • Royal Mail Tracked - £2.95
    (1-3 Working Days)
  • DPD Next Day - £4.95
    (Guaranteed Next Working Day + 1 Hour Delivery Window)

If your order total is over £40 then you can choose

  • Royal Mail Tracked - FREE
  • DPD Next Day -1/2 Price - Only £2.49

Please be aware that the prices above are for areas classed as "UK Mainland" by DPD which does NOT include offshore islands, Scottish highlands or Northern Ireland.

Non-UK Delivery

Our website has a comprehensive postage system which takes into account the weight of your delivery and the destination address - to get a quote for your order please add the products you'd like to buy to your basket, go to the basket page and fill in the "Estimate Shipping & Tax" section to get the price.

BFPO Addresses

This shipping method is available for British Forces Posted Overseas and addresses only. Shipping is as with all other UK mailing but please check to see that the size and weight of your order does not exceed maximums for your BFPO destination number by checking with the BFPO website.

Please note that once we have shipped the item and handed over to the BFPO service we have fulfilled our contract and delivery responsibility. All queries and problems with delivery must be taken up by yourself with BFPO and any claims must be handled between yourself and them.

Restricted Products

Please be aware that some products have restrictions on which countries we can send them to. Please enquire ahead of time if you require an order dispatched outside the EU and we can advise.

VAT Exempt

If this applies to you, the price you will pay for the goods will automatically be adjusted to remove the VAT element - you MUST choose the correct country on checkout for this to apply. We CANNOT refund the VAT once the order is completed.

You can also avoid paying VAT if you are having your goods sent to you in the UK, but are taking the goods abroad permanently within 3 months of making the purchase. You will have to pay the VAT with your order and reclaim the tax per relevant regulations - please be advised we cannot help with this process.


We stock the vast majority of products listed on our website in our Whitley Bay superstore and warehouse and these products are available for same day dispatch & next day delivery.

Due to the huge quantity of products we stock, we offer the ability to backorder products which have gone out of stock and less popular products which we don't carry stock of.

Depending on the brand these backorder products can take anywhere between 1 and 10 days to arrive into stock. We estimate 3-5 working days on average but please be aware that products from Mares and Scubapro are shipped from Italy & Germany respectively so can take a little longer.

As always if you aren't sure or want a more accurate estimate just give our team a call or email!


You can return any product that is in an UNOPENED, RE-SALEABLE condition within 30 days as long as it is not marked as clearance. Please contact us before doing this so we can confirm this ahead of time - we recommend using a recorded delivery service for any returns as you will be responsible for ensuring it reaches us.

Please get in touch to confirm a return by email or phone before sending anything back. When sending a return it is important that you include:

  • Your order number
  • Your name & a contact telephone number
  • The reason for return

We will try and get your return processed as quickly as possible but if you don't send this information it can delay the return.


If you have ordered something and it doesn't fit then we can exchange for a more suitable size, stock permitting, but you will have to pay the return postage.


Our customers have the right to cancel their orders within 14 days unless their order has been dispatched. After the order has been dispatched, it is the customers responsibility to return the item in a saleable condition and receieve either a full or partial refund.

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