4ucycling Windproof Full Zip Wind Jacket 3-layers Composite Stretchy Fabric polyester PLEASE NOTE: This jacket is SLIM STYLE,please please CHOOSE ONE OR TWO SIZE UP at least your U.S. normal size. CAN NOT FIT the man who's height is 6'11" above and weight is 198lbs above.WIND-PROOF, The jacket adopts multilayer knitted fabric, which could isolate the cold air efficiently and prevent heat from running off. Meanwhile, its cashmere-like touch and excellent air permeability will bring a unprecedented wearing experience WATER REPELLENT, STAIN RESISTANT. Front panel of the cloth adopts 7 layers compound knitted fabric. Built in high permeability film contribute significantly to waterproof, windproof and breathability. When a water drop fall on the fabric, just flip it theLL SUPER WARM. Lining of the fabric adopts high density polar fleece. Surface fleece fibers were combed time after time, and soften handled, so that being soft and textured. Inner of the fleece adds warm-lock film to prevent heat from running off. Stand-up collar prevent cold air from getting into. Lower hem anti-slip rubber band will keep the lower hem from slipping HIGH BREATHABILITY. Back adopts knitted compound fabric, which is remarkable at both breathability and warm keeping. Inner mesh fabric of rear pockets will increase the air flowing so that reaches cooling function LIGHT REFLCTION DESIGN,NIGHT RIDING SAFETY IMPROVED, Both zipper and back position have 3M reflective bar, which are very bold at night. Hence avoiding accident indirectly.. In addition, THE ZIPPER HAS A LEFT-HAND ORIENTATION TO IMPROVE THE SAFETY WHEN CYCLING OR RIDING ,so that you can use your right hand to hold handlebar, which is more safety than you use left hand