Made with a silky-soft bamboo blend, this sleep sack is breathable, moisture-wicking, and gentle on baby’s skin. The smooth zipper design makes night changes easier while keeping baby comfortably covered. Key Features Soft & Skin-Friendly: Bamboo blend feels extra soft and comfy. Breathable & Moisture-Wicking: Helps baby stay comfortable through the night. Stretchy Comfort Fit: Flexible fabric for easy movement. Medium Thickness: Cozy without feeling bulky. Easy Zipper Closure: Quick on/off for bedtime and diaper changes. TOG Options & Materials Summer (1 TOG) Outer: 95% Bamboo fiber + 5% Spandex Lining: 95% Bamboo fiber + 5% Spandex Spring/Fall (1.5 TOG) Outer: 95% Bamboo fiber + 5% Spandex Middle layer: 100% Polyester fiber Lining: 95% Bamboo fiber + 5% Spandex Size Guide S (0–6M) Length: 66 cm (26.0 in) | Chest: 30 cm (11.8 in) | Hem: 40 cm (15.7 in) Weight: Double-layer 200 g / Padded 270 g M (6–18M) Length: 74 cm (29.1 in) | Chest: 32 cm (12.6 in) | Hem: 43 cm (16.9 in) Weight: Double-layer 250 g / Padded 320 g L (18–36M) Length: 86 cm (33.9 in) | Chest: 34 cm (13.4 in) | Hem: 47 cm (18.5 in) Weight: Double-layer 300 g / Padded 390 g Note: Manual measurement may vary by 0–3 cm.