Quick answer

To keep your shell jacket performing, wash it with a technical cleaner, rinse thoroughly, air-dry, and reapply a DWR treatment when water stops beading. This restores both waterproofness and breathability.

Why regular cleaning matters

Dirt, body oils, and sweat residue clog the membrane of a waterproof shell, reducing breathability and causing the outer fabric to wet out. A clean jacket also allows the durable water repellent (DWR) finish to work effectively, so water beads up and rolls off instead of soaking into the face fabric.

Know your shell's care needs

Different shells have different care requirements. For example, the La Sportiva Pocketshell Jacket is a featherlight, fully seam-taped 20K waterproof shell designed for race-level performance. Its lightweight construction means you should always follow the care label and avoid fabric softeners, which can clog the membrane. When in doubt, a gentle technical wash is the safest choice.

Step-by-step shell jacket care

  1. Prep the jacket: Close all zippers and Velcro tabs, and empty the pockets. This prevents snags and ensures even cleaning. Check that all closures are secure before washing.
  2. Wash with technical cleaner: Use a dedicated tech wash (like Nikwax Tech Wash or Grangers) in a front-loading machine on a gentle cycle with cold water. Avoid regular detergents, fabric softeners, and bleach—they can damage the membrane and DWR. Never use fabric softener on a shell jacket.
  3. Rinse thoroughly: Run an extra rinse cycle to remove all soap residue. Leftover detergent can attract dirt and impair breathability. Extra rinse prevents residue buildup.
  4. Dry and reactivate DWR: Tumble dry on low heat or air-dry, then apply a DWR treatment spray or wash-in product. Follow the product instructions, and use a warm iron (no steam) on a low setting to reactivate the DWR if the label allows. Heat helps reactivate the DWR finish.
  5. Test and reapply as needed: After drying, sprinkle a few drops of water on the jacket. If the water beads up, the DWR is working. If it soaks in, reapply the DWR treatment and repeat the drying step. The water-bead test tells you when to reapply DWR.

Product care spotlight

  • Pocketshell Jacket Women's: The Pocketshell Jacket is fully seam taped with 20K mm waterproof fabric and weighs just 6.8 ounces. Because it's so lightweight, proper washing and DWR maintenance are essential to keep the membrane working without adding bulk or stiffness.

    Pocketshell Jacket Women's

    Pocketshell Jacket Women's