Castelli's exclusive fabric with a hydrophilic electrospun microporous polyurethane membrane

The outer membrane keeps the jacket light and breathable, avoiding additional layers that would trap moisture

The fabric weighs only 125 g/m2 and stretches at least twice its original size in each direction

The inner lining of the fabric is 78% polyester / 22% elastane to maintain extreme elasticity while improving breathability.

The polyurethane membrane has been formulated to be more hydrophobic than standard polyurethane.

Elastic wrist closure to keep water out

YKK® Vislon® waterproof zipper

3 back pockets

Extended back panel with reflective stripe

The membrane and all fabric are PFAS free

Castelli has collaborated with the Italian brand ITTTAI® to create an exclusive fabric, combining advanced elasticity, breathability and water protection, thanks to ITTTAI®'s expertise in membranes and lamination.