Fit & Design: AmFIB(R) Softshell provides superior wind and water protection 100g Primaloft Gold with Crosscore technology insulation is made from 35% post-consumer recycled polyester and incorporates Aerogel particles for optimal warmth with less weight Patented two-stage hook and loop closure offers both sleek fit and easy on and off Durable water repellent finish keeps your feet dry through most conditions Anatomic paneling allows for a performance fit BioViz(R) reflective elements keep you more visible in low-light visibility