The Flex¹ fabric used in these shorts boasts excellent qualities: great wind protection, a stretchy structure, excellent durability and great moisture transfer capabilities. In guaranteed Norrøna style, the fabric has been tested, and it fills the Oeko-Tex standard's requirements, meaning it is free of harmful chemicals. - "Regular fit": the second most spacious fit in the Norrøna lineup - Waist Velcro tabs - Bluesign approved product - Hand pockets with zippers Weight refers to size M. The fabric has a water repelling treatment made without the use of PFC.