The Pro Carbon Comfort Top is a lightweight sleeveless summer vest that blends performance features with next level comfort. Laser-cut shoulders and the top flap covering the two back pockets are engineered to improve the overall aerodynamics, while the full length zip features a comfortable inner trim to eliminate chafing. Innovative Coldblack® technology keeps you cool – even on the hottest days – by efficiently blocking the heat build-up caused by UV rays. The top also provides sun protection up to UPF/SPF 50. Throughout the top both Micro-Activ and flatlock seams are employed to reduce chafing and irritation of the skin, while reflective accents on the front and back help improve low-light visibility. The shoulder sections are constructed from Tri-Rev fabric, which has a compression quality that supports muscle function.