Minimal shelter to carry in the day pack in case a day hike unintentionally becomes an overnighter~ $16. Reflects up to 90% of your body's heat back to you. Bright orange exterior is easy to spot, even in bad weather. Measures 84 in. x 36 in. and is sized to shelter 1 adult. Waterproof, windproof material is seam taped for complete protection from the elements. Made in the USA. THIS GOT GREAT REVIEWS.