Buki lightweight hoodie crafted from our revolutionary collagen-infused fabric that softens, hydrates, and protects the skin (UPF 50+). This lightweight layering piece cools your skin, has superior sun protection (UPF 50+) with a perfectly stretchy and wrinkle-resistant fabric that will caress with your comfort. It's a wardrobe essential. The marine-sourced collagen peptides are embedded in the fabric, so they will never wash out, or wear out. Sustainably-made. Machine-washable.