- New color for Winter 2023, this BWMC Sun protection shirt is lightweight and built for the mountains, our Sun Hoodies are UPF 50 rated and are made from 100% Recycled Polypro. Highly breathable and moisture wicking, our sun hoodies outperform the competition at half the price of the big brands. No-Chafe Comfort and stretchy functionality, tested and proven from Big Willi to Denali, our sun hoodie pro will keep you cool and protected from the trailhead to the summit. Unisex Sizing. Available in sizes XS to XXL.