Size Chart
Please use the chart below to determine your size:
| Size Alpha | Chest | Neck | Sleeve Length | Length |
| YXS | 10" - 11½" | 5¾" - 6¼" | 5¾" - 6¼" | 18" - 19" |
| YS | 13¾" - 14½" | 5¾" - 6¼" | 5¾" - 6¼" | 19¾" - 20¾" |
| YM | 15¾" - 16½" | 6" - 7" | 6" - 7" | 21¼" - 22½" |
| YL | 16¾" - 17½" | 6¾" - 7½" | 6¾" - 7½" | 23" - 24" |
| YXL | 18½" - 19½" | 7" - 8" | 6" - 7" | 25" - 26" |
Measuring Guide
Use the tips and visuals in this guide to take body measurements accurately and easily. Please note that sizing varies slightly across our different styles and our size charts are best used as a general guide. If you have any specific questions about the fit of an item, please reach out to our customer service team for more information. We’ll make sure you find the perfect fit to show off your new Mad Engine style! You’re gonna be the best-dressed person in the room, we promise.
How to Measure:
- Chest: With arms at your sides, measure around the fullest part of your chest and shoulder blades, keeping the tape level and snug.
- Waist: Bend slightly to one side. The crease is where your natural waistline is. Measure a comfortable loose, level line around that point.
