This is the official PO t-shirt! It's a US size, so I recommend 1 sizing down if you usually wear Asian sizes. Body: Gildan 5000 S = W18"(46cm) × L28"(71cm) M = W20"(51cm) × L29"(74cm) L = W22"(56cm) × L30"(76cm) XL = W24"(61cm) × L31"(79cm) 2XL = W26"(66cm) × L32"(81cm) 3XL = W28"(71cm) × L33"(84cm) 4XL = W30"(76cm) × L34"(86cm) 5XL = W32"(81cm) × L35"(89cm) The 100% cotton unisex classic tee will help you land a more structured look. It sits nicely, maintains sharp lines around the edges, and goes perfectly with layered streetwear outfits. Plus, it's extra trendy now! • 100% cotton • Sport Grey is 90% cotton, 10% polyester • Ash Grey is 99% cotton, 1% polyester • Heather colors are 50% cotton, 50% polyester • Fabric weight: 5.0–5.3 oz/yd² (170-180 g/m²) • Open-end yarn • Tubular fabric • Taped neck and shoulders • Double seam at sleeves and bottom hem • Blank product sourced from Honduras, Nicaragua, Haiti, Dominican Republic, Bangladesh, Mexico Disclaimers:  • Due to the fabric properties, the White color variant may appear off-white rather than bright white. • Dark color speckles throughout the fabric are expected for the color Natural.