Kyte Baby Bamboo Sleep Sack (Size Medium 1.0 Tog) Used Kyte Baby Sleep Sack. A little piling. Color: Sunset (Beige Like) 1.0 Tog Size Medium (Sizing Chart in Photos) Double zipper for easy diaper changes. Tag is worn from washes. Exterior: 97% Rayon made from Bamboo, 3% Spandex Filling: 100% Polyester Highly breathable J-shaped double zipper Use as a wearable blanket over pajamas for safer, cozier sleep