Lightweight Umgarnung Base Layer Features: Race-cut = an aerodynamic cut for perfect anatomical racing bike position. Shoulder seams shifted to back part Flatlock side seams oscillated and shifted to back part for perfect fit and minimized friction points Wide neckline and sleeve loopholes with fine elastic edging Triple stitched seam Discreet labelling – sizing label shifted to the outside, care instructions bound to the inside with single seaming – easy to remove after reading Weight (size: medium): 54.2 g