The UnDShurt is thin and form-fitting, engineered for wearing as the first against-the-skin base layer. Made in the USA from moisture-wicking fast-drying fiber. Suitable for temperatures from 40F to 80F (4C to 27C).
100% Polyester. Machine wash cool, tumble dry low. No bleach, softeners, or harsh detergents.
**Measure around the fullest part of the chest, under the arms, and including shoulder blades.**
| DeFeet | SM | MD | LG | XL |
| USA | 34 - 37 in | 37 - 40 in | 40 - 43 in | 43 - 46 in |
| EU | 86 - 94 cm | 94 - 102 cm | 102 - 109 cm | 109 - 117cm |
