The Revel shower door creates an open, airy look with its minimalist frameless design and ultra-low threshold. Designed for easy personalization, the Revel series is available in a full range of KOHLER finishes and height and glass options, so you can choose the ideal door for your space. This adjustable-width door allows for simpler installation. The 5/16-inch-thick glass offers a luxurious, heavier feel.