When it's a tad warm out for the full-sleeve tech Henley, the Castelli Tech Polo is ready to help you work on those mid-arm tan lines. Made from the same cross-dyed polyester as other tech shirts in Castelli's line-up, the Tech Polo satisfies the needs for a breathable wicking layer for wrenching on summer afternoons as well as a straight-forward, professional shirt for industry meetings.

Castelli sews a stand-up collar—reminiscent of a cycling jersey—to the Tech Polo that adds a touch of class and summertime sun protection. Clean no-sew cuffs on the sleeves reduce irritation, and the small Castelli logo on the shoulder lends itself as a subtle point of interest regarding your sporting personality.