Swaddle Up™ Hip Harness Original Cotton 1.0 TOG Gray Specially designed Swaddle Up™ with a wider fit at the bottom so that it can be worn over a hip dysplasia harness or brace. Small (8-13 pounds) Unique patented wings allow natural ARMS UP™ position ARMS UP™ allows true SELF-SOOTHING™ = more sleep Swaddle in seconds with no breakouts Twin zipper for easy nappy changes No loose layers to kick off during sleep Acknowledged as a hip-healthy product by the International Hip Dysplasia Institute; design allows the recommended flexion for hips & legs Specially designed with a wider fit at the bottom so that it can be worn over a hip dysplasia harness or brace; tested with Pavlik Harness, Denis Browne Bar (DDB) & Rhino Brace This Light Weight Material is ideal for room temperatures between 68°F & 75°F Single layer of fabric to reduce risk of overheating Easy care: machine washable & tumble dryer friendly