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Shell Wash and Proofer Twin Pack (225ml/3 washes)

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Revitalize your shell items and restore a waterproof finish. This three-use twin pack includes our specially formulated waterproof shell wash and performance proofer.


Rab ships throughout the UK, EU and the United States. All UK orders are shipped free of charge by DPD. Orders placed during the week and before midday will typically be delivered within 48 hours, orders placed on weekends will ship on the following Monday.

For more information regarding shipping, including shipping charges and estimated delivery times, please visit our help centre.


If you are unhappy with your purchase, please return it to us within 45 days of receipt.  The item(s) must be in resalable condition with tags attached. We are currently unable to exchange items and will refund products returned to us under the policy above.

Please note, we are not able to accept returns for underwear unless the product is faulty or damaged. We advise that you use a recorded courier service to return your item(s) as we cannot be responsible for items lost in the post.

For more information regarding returns and warranty, please see our help centre.

Rab Promise

If any of our clothing or equipment fails we promise to help make it right with a repair or replacement, find out more here. Damage due to wear and tear or improper care can also be repaired for a reasonable fee.

Shell Wash and Proofer Twin Pack (225ml/3 washes) £15 Sizing

Give your gear a complete refresh with a wash and reproof. Neutralise odours, boost breathability and restore water repellence to all your waterproof and water-resistant items, and ultimately increase the lifespan of your gear.

Washing a garment removes contaminants, dirt, salts, and bacteria, which can all reduce the performance of a technical garment and break down fabrics prematurely. After extensive use most waterproof or water-resistant gear will lose its factory applied DWR (durable water repellent) coating due to abrasion. This allows the outer fabric to soak up moisture more easily, affecting breathability and adding unnecessary weight to a garment. POur performance proofer is designed in conjunction with Storm® to restore the DWR coating on your garment leaving a patented, abrasion resistant, fluorocarbon-free finish.

This gentle cleaner and wash-in performance proofer combo can be used in your washing machine or for handwashing. Find the full instructions on how to wash and reproof a waterproof item here.