Kari Traa Women's Louise Long Sleeve 92% Polyester 8% Elastane The Kari Traa Louise LS is a cool weather running and training top built for perfect comfort and a fast pace Super stretchy material lets you move freely Breathes well and dries in a flash Long sleeves give full coverage and the unique panel construction hugs you just right, while adding some style Reflective details help keep you safe at night