Women's Fallblock Flannel™ Jacket. Flannel never goes out of style, but every now and then, it does get reinvented. The Women's Fallblock Flannel Jacket has a relaxed fit for casual, comfortable riding. The textile chassis is tough, and internal 300D polyester reinforcements back it up in key areas. The D30® impact protectors are so low-profile that they're hard to spot. There's a Viper back impact protector plus Ghost impact protectors in the elbows and shoulders. Relaxed Fit - Comfortable fit for casual riding. Durable Construction - Cotton nylon flannel with internal 300D polyester reinforcements in elbows and shoulders. D30® Ghost - Level 1 shoulder and elbow impact protectors - EN 1621-1:2012. D30® Viper - Level 1 back impact protector - EN 1621-2:2014. Fully Insulated - 85-gram polyfil insulation for warmth.