P.R.O. Series baselayers are all about fitand function. Fit comes from over 50 yearsof tailoring performance apparel for theworlds best athletes. The tuckable length,drop tail, and close to body fit were alldialed in by our gifted pattern makers,who also develop wind cheating time trialsuits. Function is delivered by our P.R.O. Series fabric with Minerale that transfersmoisture faster than wicking polyester tokeep you dry and comfortable over a widerange of activity intensities. P.R.O. Transfer Fabric with Minerale transfers moisture better than the competition to keep you dry andcomfortable. Exceptional odor absorbance. Sleeved tops layer perfectly under form fit tops.