Men's Summit Sleeveless Base Layer Size:XS Hexagonal recycled mesh inserts underneath

Hexagonal recycled mesh inserts underneath the arms further boost ventilation

the vest strikes a perfect balance between warmth and breathability

which helps maintain a regulated body temperature on long rides

interior zipper draft-flap

An internal waist-cinch allows for fine adjustments to fit

Men's Summit Sleeveless Base Layer Size:XS Hexagonal recycled mesh inserts underneathThis ultra lightweight, super stretchy base layer has been designed to provide a performance form fit and optimal moisture transfer and heat regulation during warm weather rides. The honeycomb structure of the knit not only wicks perspiration away from the skin but it also facilitates air movement between the jersey and base layer which speeds evaporation and cooling. Only 55 grams in a size medium. What sets this base layer apart from all the others