This is a dark grey lululemon metal vent tech 1/4 zip long sleeve with a five leaf insignia on it. I don’t believe this is a Canada piece, most closely resembles a lieutenant colonel or major rank insignia but this has two less leafs than those insignias. There are no flaws, measurements included that closely resemble a large. 21 pit to pit 29 length From retailer, assuming most recent product description aligns with this version of the metal vent: Product Features • Silverescent™ technology, powered by X-STATIC®, inhibits the growth of odour-causing bacteria on the garment • Zipper garage keeps chafe in check Care and Content Product Care зoc Machine Wash Cold . Do Not Bleach Tumble Dry Low & Do Not Iron & Do Not Dry Clean • Contains biocidal silver nitrate (nano) Inhibits odour-causing bacteria • Europe - UV Protection • Wash With Like Colors Fabric Content • All: 53% Nylon, 40% Polyester (recycled), 4% Elastane, 3% X-Static Nylon