The vest has mesh fabric at side seam for increased breathability and comfort and a reflective logo on back for improved visibility this vest is an ideal garment for days when the weather can39t make it39s mind up offering an extra barrier of protection on chilly windy days or windchill protection on those fast sweeping descents after a tough climb when not needed simply roll up and pop it in your back pocket avip attention visibility interaction protection avip is a vision and c