The answer to the perennial problem of bulk in the boot, the Arc'teryx Rho Boot Cut Women's Bottom is cut to fit to the top of your ski boot, not inside of it, for insulation without insinuation into those perfectly performing boots. Lightweight Torrent™ stretch fleece is wicking, breathable, and quick drying with a brushed texture for cozy and an antimicrobial Polygiene® finish to keep you fresh. A higher mid-rise fit with a wide waistband won’t interfere with the fit of your ski pants or shells, merrow seam construction and articulated tailoring with a gusset crotch for movement, and a next to skin fit for unimpeded movement and speedy moisture transfer. A low profile layering piece built to fit right with ski boots for a no chafe, no bulk, insulator under insulated ski pants or shells.