W's Kaitum Hoodie Size:S Stringer Core technology minimizes raw emergency survival Stringer Core technology minimizes raw material use while enhancing the ski's structural integrity and torsional rigidity for a lighter performance The Fly 40 sublimated liner and fabric keep things light and breathable it works perfectly as a mid layer under a shell jacket and is also great by itself for everyday use thanks to its soft comfort and timeless design Comfortable yet technical hoodie in a thick and cosy functional merino wool wool blend that combines the temperature regulating properties of wool with the durability of synthetic fibres