Details, Size & Fit. Love to layer? Look to The Ryan Knit Cardigan from Jack & Jones. Made from a fine cotton knit, The cardi is breathable and won't feel uncomfortable under jackets or coats. Ourmodel. iswearing a size medium cardigan, and usually takes a size medium/40 shirt. He is6’3”(190cm)tall with a 40” (102cm) chest and a 32” (81cm) waist. -Length: 80cm Relaxed fit Fine cotton knit Classic navy shade Open front Drop shoulder sleeves with ribbed cuffs.Cold machine wash. Warm iron. Dry cleanable (P). Length: 80cm.fabric / material: NA.Material: 64% Cotton & 36% Nylon.SKU: JA792AA24QBN.