Sustainable footwear and accessories brand Allbirds has announced that it has launched its first underwear range. The new underwear collection is made from Allbirds’s proprietary super yarn TrinoT​ M​, a blend of responsibly sourced eucalyptus tree fibres. The collection features a boxer brief for men and a thong, brief, shortie and bralette for women. All styles are available in a variety of colours that include Boulder, Storm, Malibu, Nimbus, Raincloud and Wheat, and in sizes XS to XXXL.

The new collection is now available from allbirds.co.uk.