This is an 'all mountain' fit

not OD2 or 1

Debonair Technology:

5 and 7mm keys aren't commonly found in the bicycle industry

DHaRCO Men's Long Sleeve Tech Tee - M - Space Grey Envelope Shipping This is an 'all mountain'Giving you the comfy feeling of cotton with the technical features of DriRelease fabric, the DHaRCO Men's Long Sleeve Tech Tee is perfect for both riding and casual wear in cooler conditions. The great thing about DriRelease is that the tech that keeps you cool, dry, and fresh is built into the fibres themselves rather than just applied to the surface. This means that the effectiveness of the material won't reduce over time as the treatment won't wash