| Category | Toe Area | Width Area | Heel Area |
| Baseball | Allow room for toes to move comfortably while standing up straight | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
| Basketball | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Cheer | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Cross-training | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Football | Allow room for toes to move comfortably while standing up straight | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
| Hiking | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
| Running | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Soccer | Glove like fit (allow room for toes to move comfortably) while standing up straight | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
| Tennis | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Track & Field | Glove like fit (allow room for toes to move comfortably) while standing up straight | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
| Volleyball | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Walking | Allow (thumbnail’s length) of space between top of longest toe on largest foot and the end of the shoe | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Heel can move but is not supposed to slip |
| Wrestling | Glove like fit (allow room for toes to move comfortably) while standing up straight | Foot should fit comfortably without stretching the upper over the midsole of the shoe | Try for a snug fit as heel counter area is less padded and more firm |
Like regular street shoes, athletic shoe sizing is based on the length and width of your foot. Determining your proper shoe size is essential to a comfortable fit.