Filson Cascade Rib Crewneck is a heavy rib-knit sweater built for warmth and everyday layering. Its dense wool blend and clean crew-neck silhouette make it ideal for cool-weather outings and under-jacket wear. Key attributes: Dark navy | Wool | Warm insulating knit | Durable yarn blend | Retains shape | Layering-friendly | Stretch for ease of movement | Crew neckline | All-over cascade rib knit | Ribbed collar, cuffs and hem | Dimensions & fit: Regular fit | Composition & care: 80% wool | 20% polyamide | Hand wash; do not bleach; do not tumble dry; iron at max 120 °C; professional dry clean with hydrocarbons and D5.