Made from triple layer super light Windstopper fabric (only 170 gr/m2) with carbon inserts on the back and sides, the Beta jersey offers thermal insulation and wind protection in colder temperatures of 10-15C (50-60F) and breathability and comfort at higher temperatures of 15-20C (60-70F). No need to stop or slow down to add or remove layers as the wind changes. Comes with a stylish rubber label incorporating the Beta line logo on the left sleeve. Used by World Tour Team Trek-Segafredo for training and racing. HIGH-VISIBILITY Reflective highlights for night time safety COMPELTE COMFORT Warmth in cold conditions. Breathability and comfort in hotter temperatures ULTRA-LIGHT PERFORMANCE Weights 35% less than a standard combination of jersey and windbreaker while offering optimal wind protection