Thermal Base Layer Long Sleeve

MAAP base layers — worn under a road or gravel jersey. The Short Sleeve and Mesh Base Layers are summer weights; the Sleeveless Base Layer is the lightest option; the Long Sleeve Base Layer is the spring-fall weight. Recycled-polyester or Polartec Power Wool on the cold-weather grades. Flat-lock seam construction; unobtrusive under a fitted jersey.