ne Size Fits Most The Peter Grimm Luz Lifeguard is made from 100% Straw. The 5 inch brim provides excellent U.V. Sun Protection. An adjustable chin cord will keep your hat secure on a windy day. The elasta-fit comfort band allows enough stretch to fit most men and women. The Peter Grimm Nautica Lifeguard is made from 100% Palm Straw. The 4 inch brim provides excellent U.V. Sun Protection. An adjustable chin cord will keep your hat secure on a windy day. The elasta-fit comfort band allows enough stretch to fit most men and women. High-quality metal grommets provide a vented crown for breathability.