For when you need more protection to maximise your performance, the Ultimate Flex 1/2 zip is perfect as a base or mid-layer. Blended fabric containing elastane that provides stretch for comfort and a great fit. Active fit. Reflective details. Raglan sleeve for ease of movement. 1/2 zip with stand-up collar for ventilation. Chin guard reduces irritation. Fabric87% Polyester, 13% ElastaneMeasurements:Small 37/39" Medium 39/41" Large 41/43" XL 43/45" . Model wears Size S

Men's Ultimate Flex 1/2 Zip - Jet Black