Specialized Therminal Arm warmers are a unisex design & are made from of soft & resistant Lombardia fleece materials. The arm warms have a two way stretch in them so they can move with you on the bike while jacquard elastic band keep them in place. Perfect for changeable days & early morning starts. Features Fully made from soft & resistant Lombardia fleece It stretches in two directions for comfort & easy care The jacquard elastic band at the top of the warmer keeps it in place & secure