- One More Mile’s latest heathered technical running shirt! - Lightweight, 100% polyester heathered wicking knit. - Double-needle hemmed sleeves and bottom. - Set-in sleeves. Shallow self-fabric V-neck collar. - Moisture wicking and super-soft. - Ladies' fit: our HeatherSoft ladies garments are stretchy and slightly tapered. If you prefer a looser fit, please order up one size.