Loulou Lollipop Muslin Lightweight Sleep Bag 0.5 TOG - French BreakfastLightweight Sleep Comfort for Warm Nights Lightweight enough to prevent overheating, secure enough to replace loose blankets. 0. 5 TOG for rooms above 73F. Key Features Breathable viscose from bamboo and cotton muslin helps regulate temperature on warm nights. 0. 5 TOG weight is best suited for room temperatures of 2427C, as stated on the official product page. 2 way zipper makes diaper changes easier while the sleeveless design supports free arm