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*New* Spring hours: M-F 11-6, SAT 10-6. (Closed Sunday). Check out our 2022 stock of Breezer, Marin, Fuji and SE for commuters, gravel crunchers, BMX and recreational riders. If you are new to us, please know that we extend repair priority to folks who set up appointments. To schedule a repair appointment, click thru to our online appointment system below. COVID-19 is still a risk. We ask that clients be masked and vaccinated when they enter our store. We commit to returning that favor. Questions? E-mail us at or text/call us at 510-328-1158.

DeFeet UnDShurt Long Sleeve

DeFeet UnDShurt Long Sleeve
  • Color: White
$39.99 - $50.95
Please select options


The UnDLite 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. Machine wash cool, tumble dry low.

100% Polyester

Small 34 - 37 in 86 - 94 cm
Medium 37 - 40 in 94 - 102 cm
Large 40 - 43 in 102 - 109 cm
X-Large 43 - 46 in 109 - 117cm

**Measure around the fullest part of the chest, under the arms, and including shoulder blades.**

Part Numbers

Option UPC MPN
White / Small 682864120317 UNDLWT101
White / Medium 682864120324 UNDLWT201
White / Large 682864120331 UNDLWT301
White / X-Large 682864120348 UNDLWT401