Size Chart
All measurements are in inches, taken from the garment laid flat. Chest Width = straight across the front, armpit to armpit. Front Length = from the highest point of the shoulder down to the hem.
UTR Classic Sport & UTR Classic Wide (sleeveless)
| Size | Chest Width (flat) | Front Length |
|---|---|---|
| XS | 13" | 24" |
| S | 14" | 25" |
| M | 15" | 26" |
| L | 16" | 27" |
| XL | 17" | 28" |
| 2XL | 18" | 29" |
UTR Classic Short Sleeve
| Size | Chest Width (flat) | Front Length |
|---|---|---|
| XS | 14" | 24" |
| S | 15" | 25" |
| M | 16" | 26" |
| L | 17" | 27" |
| XL | 18" | 28" |
| 2XL | 19" | 29" |
How to find your size
- Lay a shirt or jersey that fits you well flat.
- Measure armpit to armpit and shoulder to hem.
- Compare with the chart and pick the closest size.
Fit guide
- Classic Sport: compression fit, snug against the body. Between sizes or want a less tight fit? Size up.
- Classic Wide: wider, more relaxed cut. Pick your usual size.
- Classic Short Sleeve: compression fit, snug. Size up for more room.
Model reference: female model 5'6" wears S; male model 6'3" wears XL in Classic Sport and 2XL in Classic Short Sleeve.
Still unsure? DM us on Instagram @undertheradarsports_ with your height, weight and preferred fit. Wrong size? Size exchanges are accepted within 7 days of delivery (unworn, unwashed and in the original sealed UTR packaging; one exchange per order). See our Exchange Policy.