Q36.5 Base Layer 1 Sleeveless - UnisexQ36. 5's Base Layer is a unique disruption in one of the largest copycat product categories in cycling, baselayers. Nearly a completely seamless piece save two connecting stitches at the top of each shoulder, its freedom of movement is unparallelled, amplified by the soft, stretchy honeycomb fabric custom knit for each size. The Base Layer 1 has significantly more elasticity and is much tougher than traditional baselayers, with no stitching to bind at