The endura baa baa merino short sleeve base layer benefits from the insulating properties of merino wool so you stay warm even when wet this naturally insulation fabric also has low odour properties so that even when the ride steps up a gear you39ll be feeling fresh the base layer is machine washable making it easy to care for so you can continue to enjoy it for many rides to come this short sleeve baselayer excels thanks to its excellent wicking properties so even if you work up a sweat