The long-sleeved base layer Elite Lab Core Elite X1 is with you on your running outings when the temperature drops. Quick drying, breathability, and made from recycled polyester: that's what characterises it. Thanks to Quick Dry technology and its stretchy quality, it wicks moisture away and moves with you to keep you dry and comfortable, step after step. - Material: recycled polyester - Quick Dry technology - Breathable and stretchy fabric