Wilfred by Aritzia Manila Cardigan in Light Birch. Light Birch is a classy slightly off-white cream color that is a luxurious neutral staple. New With Tags Size Medium / M. Sold out in this size! Hard to find. This is a fully fashioned V-neck cardigan. It's knit with Breeze Merino — extra fine merino wool and cotton yarn with lightweight, all-season warmth and a soft feel. It’s constructed using a Wide Rib stitch with distinct columns for comfortable widthwise stretch. 55% Merino Wool 45% Cotton Make this high quality, luxurious staple yours!