The La Sportiva Alya vest is designed for winter trail running. This insulated vest combines thermal protection and freedom of movement to keep you running smoothly. The PrimaLoft Thermoplume fabric on the front retains heat, and its innovative structure together with the elasticated back offers perfect moisture management.Features:- Running vest with synthetic, insulating, lightweight fabric and full zip- Highly insulating PrimaLoft fabric with light weight- Press stud fastening at the top of the zip flap- 2 hand warmer zip pockets- 2 inside pockets- Ecological dyeing- Slim fit- Main material: 100% polyamide (52% recycled)- Lining: 100% recycled polyamide- Weight: 185g (size M)Technology:- Primaloft ThermoplumePrimaLoft Thermoplume garments are characterised by their filling with feather-like flakes, both in softness and lightness, which also guarantee thermal stability and water resistance.