When its time for him to layer up keep him warm with the Rossignol WARM Stretch Zip Mid Layer Top Rossignols WARM Stretch fabric is specifically designed to provide extra heat retention It breathes and wicks moisture ensuring he stays dry and comfortable Best of all the WARM Stretch top is light and stretchy so its comfortable to wear and never bulky 88pct polyester/12pct elastane WARM Stretch fabric 280g fabric provides lots of warmth Brushed lining for extra warmth and softness Breathable and moisture wicking to keep kids dry and warm Stretch fabric for comfortable movement 1/2 zip opening for easy on/off