Features of the POC Sports Base Armor Jersey Soft armor base layer with the cut resistance protection ski racers need Passes EN388-2016, level 4 european cut resistance standard Constructed entirely from a new kind of dyneema with stretch properties Double-layer dyneema in the zones that need most protection (arms, neck and collar) Compression feel Stretch Lycra collar lining Seamless armpits Neck zipper Fabric Details 95% Dyneema Polyethylene, 5% Elastane.