Solid colors: 100% Cotton; Heather Grey: 90% Cotton, 10% Polyester; All Other Heathers: 50% Cotton, 50% Polyester
Imported
Machine wash cold with like colors, dry low heat
Cool math equation humor t-shirt or gift idea for the math geek or nerd in the class of 2023 eighth grade middle school junior high grad; teen boys or girls, men or women
Equation using pi, the golden ratio phi, the floor function, and square root to calculate the year
Lightweight, Classic fit, Double-needle sleeve and bottom hem
Imported
Machine wash cold with like colors, dry low heat
Cool math equation humor t-shirt or gift idea for the math geek or nerd in the class of 2023 eighth grade middle school junior high grad; teen boys or girls, men or women
Equation using pi, the golden ratio phi, the floor function, and square root to calculate the year
Lightweight, Classic fit, Double-needle sleeve and bottom hem
| Men Standard T-Shirt | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 43 | 17 | 48 | 18.9 | 70 | 27.5 |
| M | 45 | 17.7 | 52 | 20.5 | 71 | 28 |
| L | 47 | 18.5 | 56 | 22 | 73 | 29 |
| XL | 49 | 19.3 | 60 | 23.6 | 76 | 30 |
| XXL | 52 | 20.5 | 64 | 25.2 | 80 | 31.5 |
| 3XL | 55 | 21.7 | 68 | 26.7 | 84 | 33 |
| Women Standard T-Shirt | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 39.5 | 15.5 | 45 | 17.7 | 61 | 24 |
| M | 41 | 16.1 | 49 | 19.3 | 63 | 25 |
| L | 42.5 | 16.7 | 53 | 20.9 | 65 | 26 |
| XL | 44 | 17.3 | 57 | 22.4 | 67 | 27 |
| XXL | 46 | 18.1 | 61 | 24 | 69 | 28 |
| Youth Standard T-Shirt | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| K2 | 33.5 | 13 | 41 | 16 | ||
| K3 | 36 | 14 | 43 | 17 | ||
| K4 | 37.5 | 15 | 45 | 18 | ||
| K6 | 40 | 16 | 50 | 19.7 | ||
| K8 | 43 | 17 | 56 | 22 | ||
| K10 | 46 | 18 | 60 | 23.6 | ||
| K12 | 48 | 19 | 64 | 25 | ||
| Men Tank Top | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 48 | 18.9 | 71 | 28 | ||
| M | 52 | 20.5 | 73 | 29 | ||
| L | 56 | 22 | 75 | 29.5 | ||
| XL | 60 | 23.6 | 77 | 30.3 | ||
| XXL | 64 | 25.2 | 80 | 31.5 | ||
| Women Tank Top | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 44 | 17.3 | 64 | 25.2 | ||
| M | 48 | 18.9 | 66 | 26 | ||
| L | 52 | 20.5 | 70 | 27.5 | ||
| XL | 56 | 22 | 72 | 28.3 | ||
| XXL | 60 | 23.6 | 74 | 29 | ||
| Women V-Neck | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 47 | 18.5 | 60.5 | 23.8 | ||
| M | 49.5 | 19.5 | 64 | 25.2 | ||
| L | 54 | 21.3 | 66.5 | 26.2 | ||
| XL | 57 | 22.5 | 68 | 26.8 | ||
| XXL | 59 | 23.3 | 69.5 | 27.4 | ||
| Unisex Hoodie | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 55 | 21.7 | 68 | 26.8 | ||
| M | 57 | 22.5 | 72 | 28.4 | ||
| L | 60 | 23.6 | 73 | 28.7 | ||
| XL | 63 | 24.8 | 76 | 29.9 | ||
| XXL | 66 | 26 | 77 | 30.3 | ||
| Unisex Sweatshirt | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 55 | 21.7 | 64 | 25.2 | ||
| M | 58 | 22.8 | 70 | 27.6 | ||
| L | 61.5 | 24.2 | 71 | 28 | ||
| XL | 65 | 25.6 | 73 | 28.8 | ||
| XXL | 68 | 26.8 | 79 | 31.1 | ||
| Unisex Long Sleeve T-Shirt | ||||||
| Size | Sleeve Length | Width (1/2Bust) | Length | |||
| cm | Inch | cm | Inch | cm | Inch | |
| S | 46 | 18 | 71 | 28 | ||
| M | 51 | 20 | 74 | 29 | ||
| L | 55 | 22 | 77 | 30 | ||
| XL | 60 | 24 | 79 | 31 | ||
| XXL | 64 | 26 | 82 | 32 | ||