Summit Cap: Made for life out in the nature, the Summit Cap provides comfort and breathability during sunny weather hikes, treks and walks. Highly stretchable, the trek cap is the cap-shaped sun protection alternative to summer trekking hats. Enjoy mountains and outdoor life to the top with the new mountain caps and hats by BUFF®. high-technology and BUFF® quality blend together in a pure outdoor collection. Created in a variety of shapes, each of the products in our trekking Collection offers a specific set of features, all in BUFF® style. BUFF® trekking products are designed for sun protection and performance while hiking, trekking or enjoying a walk in the forest. UPF 50 certified sun protection against ultraviolet (UV) radiation produced by the sun. Samples of fabrics tested for UV protection in accordance with the international standards. A behind-the-head elastic band providing the right fit for different head sizes. Prevents overheating and improves comfort by transferring moisture vapor away from the body through the fabric. Built-in inner band to wick sweat and water away to improve comfort and ensure dry feeling. Size: L/XL (57-61 cm) Composition: Crown and brim: 90% Polyester 10% Elastane,Inner sweatband: 100% Polyester