Worn by itself during Spring and Autumn or as a mid-layer in winter, the Zenith thermal top is a great 3 season piece for any British mountain bikerThe ninja hood fits neatly under a helmet to keep the chill off your head, neck and earsA lengthy front zipper allows you to regulate your temperatureZippered chest pocket gives enough storage for essentialsLow bulk Lycra cuffs give a great fit with glovesFlat lock stitching throughout avoids irritation when worn directly against the skinConstructed from brushed backed wicking fabric, the Zenith long sleeve top keeps the chill out without letting you over heatLimited lifetime warranty