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NO CHANGES ARE ALLOWED for reasons of hygiene and safety. Check the size guide to choose the best fit for you (in doubt, size M is the most universal)

Collective action in the face of adversity

Mask as a symbol of empathy and reflection, not a fashion accessory.

This mask offers extra protection for you and the environment. Ensured safety under European standards CWA 17553 : 2020 and certifications from Aitex, Eurofins and Oeko-Tex. 

Reusable and washable. Closca Mask (BFE>90%) can be washed by hand or machine keeping EU standards after 25 washes.

Antiviral, antibacterial and organic. CO2pure applied on the mask and the protective pouch protecting you from viruses, bacterias and pollutants.

Its protective pouch, with CO2pure, keeps your mask protected while not in use.

High breathability (32pa/cm2)

Super comfort: the firm front makes a better fit for the face and the nape strap with velcro in “T” shape allows a regulable position and does not tangle with hair. Say goodbye to ear discomfort. 

100% made and certified in Spain. 

Protect the planet reducing CO2 , NO2 and NOx up to 40% when wearing Closca Mask.


IMPORTANT: for hygienic reasons Closca Mask returns are not accepted

The COVID-19 pandemic has taught us that there is nothing worse than sitting on your hands. But we have learned about ourselves that, in the face of adversity, we react. 

We have listened to you, we have learned and also unlearned, we have worked without rest and continue doing so in order to offer you innovative products with unique designs. After months of work we present the second generation of Closca Mask.

Entirely created, produced and certified in Spain, this Closca Mask is a revolutionary mask with CO2pure treatment.

CO2Pure is a 100% natural mineral compound, patented and produced within the EU, composed with metal oxides that form the basis of its antimicrobial power. 

The outer layer of Closca Mask contains this additive, which is unique in the world. In addition to eliminating greenhouse gases such as CO2, NOx and COv's, it also eliminates viruses on the surface.

It is important to note that Closca Mask has been tested and certified by the two main entities in terms of protective textile masks: AITEX for Spain and EUROFINSfor Europe. OEKO-TEX standard 100.

LEGAL NOTICE: Hygienic masks (UNE 0065:2020 or CWA 17553:2020) are recommended by the Ministry of Health as a complement to physical distancing and hygiene measures in the context of the COVID-19 pandemic. 

Closca Mask is classified as a reusable hygienic mask according to European legislation CWA 17553:2020 having been tested, as shown in the 2020TM4420 and AR-20-YL-004527-01 reports from the AITEX TEXTILE RESEARCH INSTITUTE and EUROFINS laboratories. TEXTILE TESTING SPAIN S.L.

Closca Mask is not considered by European Regulation EU/2016/425 as PPE (Personal Protective Equipment) or as a medical device by European Regulation EU/ 2017/745. Closca Mask should not be used where a PPE (Personal Protective Equipment)  or a medical device is required.

The use of Closca Mask for children must occur under the supervision of an adult. The certificates for this product apply according to the European standard CWA 17553:2020 for children over 7 years old. 

Please consult the recommendations and guidelines for use issued by official bodies such as those indicated by the Ministry of Spain and the World Health Organization.

For more information about the certificates and labels of Closca Mask click on them.