Optimal Packing Muscle Shirt

A soft and sleeveless tanktop, perfect for when your muscles are too big to be optimally packed into a t-shirt, but you still want to show off your affection for optimal packing. The design features the best known packing of 17 unit squares into a larger containing square. This method of packing fits inside a containing square of side length ~4.675 and was found by John Bidwell in 1997. 

• 100% airlume combed ring-spun cotton
• Fabric weight: 4.2 oz/y² (142 g/m²)
• Relaxed fit
• Side-seamed construction
• Wide, low-cut armholes

Size Guide (inches)