The down feather is unbeatable when it comes to lightweight insulation in cold environments. Its structure allows it to trap air between the filaments, which is warmed by body heat, creating a highly efficient insulating layer. However, when the feather gets wet, it clumps together, loses volume (loft) and is no longer able to trap air effectively. In addition, water conducts heat up to 25 times faster than air, making the wearer feel cold, damp and uncomfortable.<\/p>\n
When hiking, trekking or camping in humid environments, down-filled equipment can absorb water through rain, condensation or even perspiration. That's why it's essential to keep both the outer fabric and the inner filling protected with a durable water repellent (DWR) treatment.<\/p>\n
Nikwax Down Proof\u2122 has been specifically designed for feather-filled items. Unlike many alternative solvent-based waterproofers or flammable aerosols - which can contain PFAS that are harmful to the environment and health - this water-based formula is safe, effective and environmentally friendly. The treatment is evenly distributed throughout the garment during washing, adding DWR to both the outer fabric and the filling.<\/p>\n
The result is a feather that maintains its volume, insulating capacity and breathability. Moisture is repelled, water absorption is reduced and thermal performance is maintained even in cold, damp conditions. The treatment leaves a flexible water-repellent layer on each filament, while allowing moisture vapour to pass through to preserve comfort.<\/p>\n
For best results, it is recommended to clean the equipment beforehand with Nikwax Down Wash Direct. Often, simply washing already reactivates the existing DWR. However, after prolonged use, it will be necessary to reapply the waterproofing with Nikwax Down Proof\u2122, ensuring complete protection and extending the life of the equipment.<\/p>\n
\ud83d\udca7 Specific wash-in waterproofing for clothes and sleeping bags with feather filling<\/p>\n
\ud83e\udeb6 Maintains the loft and natural insulating capacity of the feather<\/p>\n
\ud83c\udf27\ufe0f Adds durable water repellency (DWR) to the outer fabric and filling<\/p>\n
\ud83d\udd25 Non-flammable and PFAS-free<\/p>\n
\ud83e\uddfc Easy to apply in the washing machine or by hand<\/p>\n
\u2744\ufe0f Optimises performance in cold and damp conditions<\/p>\n
\ud83e\uddf4 Product type: Wash-in waterproofing for feathers (down)<\/p>\n
Formula: Water-based, PFAS-free<\/p>\n
\ud83d\udd25 Safety: Non-flammable<\/p>\n
\ud83d\udc55 Suitable for: Jackets, waistcoats and sleeping bags with feather filling<\/p>\n
\ud83c\udfd5\ufe0f Recommended for: Nikwax Direct.Dry Down, Hydrodown\u2122 and all feather-filled items<\/p>","protected":false},"excerpt":{"rendered":"
Nikwax Down Proof\u2122<\/strong> is a specialised PFAS-free waterproofing developed to protect the insulating properties of down-filled equipment in damp and wet conditions. Easy to apply in the washing machine or by hand, it is non-flammable and helps keep down jackets, waistcoats and sleeping bags warm, light and breathable - even on demanding outdoor adventures.<\/p>","protected":false},"featured_media":42341,"comment_status":"closed","ping_status":"closed","template":"","meta":[],"product_brand":[1518],"product_cat":[77,202,206],"product_tag":[269,797,277,1088,270,226,1102,224,1100,1366,229,1101,1089,244,268,1367],"gender":[],"product_icon":[],"class_list":{"0":"post-42338","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-nikwax","7":"product_cat-vestuario","8":"product_cat-higiene-primeiros-socorros","9":"product_cat-higiene","10":"product_tag-bikepacking","11":"product_tag-bushcraft","12":"product_tag-caca","13":"product_tag-caminhada","14":"product_tag-campismo","15":"product_tag-chuva","16":"product_tag-escalada","17":"product_tag-higiene","18":"product_tag-hiking","19":"product_tag-inverno","20":"product_tag-limpeza","21":"product_tag-montanhismo","22":"product_tag-peregrinacao","23":"product_tag-sobrevivencia","24":"product_tag-trekking","25":"product_tag-winter","27":"first","28":"instock","29":"taxable","30":"shipping-taxable","31":"purchasable","32":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product\/42338","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/comments?post=42338"}],"version-history":[{"count":1,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product\/42338\/revisions"}],"predecessor-version":[{"id":42343,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product\/42338\/revisions\/42343"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/media\/42341"}],"wp:attachment":[{"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/media?parent=42338"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product_brand?post=42338"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product_cat?post=42338"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product_tag?post=42338"},{"taxonomy":"gender","embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/gender?post=42338"},{"taxonomy":"product_icon","embeddable":true,"href":"https:\/\/norwinoutdoor.pt\/en\/wp-json\/wp\/v2\/product_icon?post=42338"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}