Developed in-house and fine-tuned by the ASSOS Werksmannschaft, our factory racing team and most scrupulous product testers, the iG.falkenZahn insulator vest is a small package of innovation for when staying warm without overheating is critical. A key part of the ASSOS Layering System (ALS), this invaluable layer of versatility is your year-round partner for riding in cooler weather and is crafted for changeable climates. Cut from our proprietary RX series of fabrics, the fleecy inner of the iG.falkenZahn keeps your internal microClima stable and warm, trapping heat at your core, where it’s most needed but letting out heat to keep you dry and comfortable. Rigorously tested by our internal team of ex-pros, in real world cycling conditions, this lightweight cycling gilet is engineered from 17 different panels. Combining ASSOS Advanced Ergonomic Pattern Design (AEPD) racingFit with cycling-specific body-mapping pattern design and featuring our signature rear stabilizer panel, put on the iG.falkenZahn and feel the gilet 'click' into place. With natural anti-bacterial properties, three rear pockets, a zippered safety pocket and rear reflective visibility stripes for riding in poor light, it’s the piece of cycling apparel that you never knew you needed, until now.