Our newly developed PrimaLoft® Dry is a silk-weight sleeveless baselayer leveraging the advanced fabric technology unique to PrimaLoft®; resulting in an all-season garment that delivers lightweight warmth when at rest, and extreme breathability when active. Elongated cut to provide maximum coverage avoiding a bulky feel when worn under bibs. How to take care of your Santini cycling and triathlon wear Here are a few of the secrets that we\'ve learned over the years to keep your kit performing at its best and last longer. Wash it at 30°C / 86°F Do not use fabric conditioner Avoid the tumble drier Avoid using washing powder, favour liquid detergent Turn the garment inside out Wash similar colours together Wash straight away Do not iron