1.Circumference: Place the tape measure along the hairline and rake the head in a circle.
2. Front to Nape: Measure from the center of the forehead backward along the top of the head to the back of the neck.
3. Ear to Ear across forehead: Measure from the left ear along the hairline to the right ear.
4. Ear to Ear over top: Measure from the left ear along the top of the head to the right ear.
5. Temple to Temple round back: From temple to temple across the back of head.
6. Nape of Neck: Measure the width of hairline across the nape of the neck.
1. 5 by 5 closure wigs only have lace covering the forehead and no lace at sideburns, which causes the sideburns of the wig laying behind your own. This is a solution to avoid wefts showing not a size issue.
2. Lace length at the temples is over 1cm.
| Cap size | S | M | L |
| Circumference | 21.25-21.75 | 22-22.5 | 23-23.5 |
| Front to nape | 14 | 14.75 | 15.5 |
| Ear to ear across forehead | 11.5 | 12.5 | 13 |
| Ear to eear over top | 12 | 13.0 | 14 |
| Temple to temple round back | 14 | 15.5 | 16 |
| Nape of Neck | 4.5 | 5.0 | 5.5 |