This is a men's golf undershirt from Le Coq Sportif. It's slightly brushed on the inside, so I think it will be warm. The size didn't fit my husband, so it's only been tried on and washed. It's made of stretchy, elastic material. I think it will be easy to swing in. Size: LL Width: Approximately 48cm (flat measurement) Length: Approximately 67cm (flat measurement) #LeCoqSportif #Undershirt #BrushedShirt