Made from our original jersey fabric, which is super soft, stretchy, comfy and smooth to touch This 1.0 TOG Material is ideal for room temperatures between 68°F & 75°F Long sleeves help to keep your little one's arms warm, with fold-over cuffs for size 6-12 months only Fabric elasticity allows for comfortable, multiple, non-bulky, layering underneath for further insulation Twin zipper for easy access and quick diaper change Crafted from our signature jersey fabric, this soft, stretchy, and smooth Sleep Suit Long Sleeve offers comfort and warmth. Ideal for room temperatures between 68F and 75F, its 1.0 TOG material allows for non-bulky layering. Long sleeves keep your little one's arms warm, with fold-over cuffs for sizes 6-12 months.