Specs Body/lining: 100% Organic Cotton Side Panels: 95% Organic Cotton / 5% Elastane 400 Thread Count Stretchy side panels and bell-shaped bottom Arms-out sleeping TOG-rated 1.0: Perfect for rooms 70-75°F. TOG stands for Thermal Overall Grade; the lower the TOG rating, the lighter the fabric; the higher the rating, the more padded and insulated it is Zip closure Certified non-toxic and skin-friendly No blankets needed Do not use a padded sleeping bag or suit (2.5 TOG or 3.5 TOG) in a car seat Complies with AU, US, UK and EU safety and quality standards and is reviewed by the National Eczema Association as a skin-friendly product. All ergoPouch fabrics are dyed with non-toxic water based dyes Machine washable The Sleep Suit Bag converts from a Sleeping Bag to a Sleep Suit with legs using 4-way zippers. The 400-thread-count organic cotton outer has a silky smooth feel. It’s made from a woven cotton fabric that’s similar to the feel of a flat sheet. The organic jersey cotton stretchy side and shoulder panels are ergonomically designed to allow your little one to move freely. In Sleep Suit mode with legs, it’s a solution for little movers who like more freedom in their sleep, and toddlers/preschoolers transitioning to a big bed. Grip pads on the feet keep them stable if they’re walking to the bathroom or your room during the night. The four-way zippers are also helpful for overnight potty training. In either Bag or Suit mode, it’s a hip-friendly design.