A newer and warmer version of the base layer that keeps you warm no matter what. The Mons Royale CASCADE MERINO FLEX 200 LEGGING are made for everyone who enjoys an active lifestyle. Great to warm you up under your pants, and look good in the city. Merino Flex knit is a unique blend of merino wool and synthetic fibres. Ultra lightweight, it ensures excellent thermo-regulation, extra elasticity, and durability which helps retain the shape of the leggings even after several washes.