The Burton Midweight Crew Base Layer Bottoms come with a 4-way stretch fabric and wick moisture away from the skin incredibly fast. The bluesign® approved non-biocidal finish for odour minimisation Agion® Stink-Proofing odour protection ensures long-lasting freshness. FeaturesMedium-weight DRYRIDE Ultrawick fabric wicks moisture away from the skinFour-way stretch fabric for better mobilityAgion® Stink-Proofing odour protectionBluesign® approved non-biocidal finishes to minimise odourAbrasion-resistant Softlock seams for more comfortBluesign®-certified materials are created using only safe chemicals and reduce harmful impacts on people and the environment during manufacturing