Waterproof, tape seamed leather. The Gable WP Leather Jacket from merlin features a 1.3-1.4mm tape seamed waterproof leather shell to keep you dry, a removable 125g thermal liner to keep you warm as the temperatures drop, and a full suite of D3O LP1 armor combined with a CE AAA certification so you know you're well protected. Rounding out the jacket are YKK locking waterproof zippers (leak prevention) and a jacket to jean zipper to help prevent any jacket riding up and letting water into your pants type scenarios.