A breathing mask comprising: an elastically stretchable portion 2 to encircle a wearer’s head or neck; and a filter portion 1 attached to stretchable portion 2. Filter portion 1 is configured to cover a wearer’s mouth during use and comprises a porous, non-woven, synthetic matrix 3 that’s configured to retain particulates of diameter greater than 10µm. Filter matrix 3 may be made of an open cell reticulated foam, possibly a polyurethane foam. Filter matrix 3 may have a thickness no greater than 6mm. Filter portion 1 may comprise at least two layers of filter matrix 3. Filter matrix 3 may comprise at least one of: activated carbon, silver, silver-ions and/or graphene. Filter matrix 3 may be provided with at least one outer wrapping layer of a mesh fabric 4. Mesh fabric 4 and filter matrix 3 may be stitched together to form the filter portion 1. Filter portion 1 may be sized and shaped to contain a snout of an animal, possibly a dog or a horse. The breathing-mask may comprise a length of stretchable material secured to a top edge of the filter portion 1 for selectively covering a wearer’s nose. Described for use in sporting activities, running, cycling.
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