Cold days and long approaches call for breathable insulation, and the Rho Bottom is your base layer of choice for steady efforts when temperatures dip. A light next-to-skin fit ensures soft, fleecy comfort, as well as excellent heat trapping and moisture wicking. A triangle-shaped gusseted crotch delivers freedom of movement, with chafe-free seams throughout the garment. Designed with a low-profile waist and high rise for easy layering. What's been updated: The Rho bottom fits better, with the high-rise waist getting a lower centre-front for easier layering, while a triangle-shaped crotch gusset allows for better articulation and a baby-merrow stitch pattern provides a seamless inner feel.