




Free standard shipping across the UK, with no minimum spend.
Free standard UK shipping on all orders. Orders are typically processed in 1–3 business days. The shipping policy estimates most UK deliveries at 5–10 business days; timings are estimates.
Tracking is provided where available. Read our shipping policy for details.
You can request a return within 30 days of receiving your order. Items must be unused, in their original condition and packaging. Hygiene and other exceptions apply.
Please contact us before sending anything back. See our returns and refunds policy for the full terms.
Deliveries to United Kingdom’s outer and remote regions may experience seasonal delays caused by severe weather or limited carrier availability. We appreciate your patience and recommend allowing additional time for your order to arrive safely.
Meet the Yoofoss Sleep Sack for babies aged 6 to 12 months. Crafted with 100% organic cotton outer layers and a soft polyester filling, it delivers a gentle, breathable cocoon that helps your little one feel secure as they transition between layers and seasons. The fabric is GOTS certified, reflecting a commitment to responsible textiles and careful production—an important note for caregivers who value safety and sustainability.
The 1.5 Tog design is tailored for moderate temperatures, spanning about 69 to 73°F. It suits autumn routines, early winter naps, and spring days, as well as cooling rooms in summer when a light layer is still welcome. Sleeveless construction helps regulate temperature and reduce overheating, while the bell-shaped bottom provides generous space for little legs to move naturally during sleep.
The top-grade zipper runs from the neck to the leg, letting you unzip from the bottom for swift diaper changes without waking your baby. A zipper garage protects your little one’s chin and face from chafing. The sleeveless shape reduces fabric bulk around the arms and shoulders, helping tiny bodies stay comfortable as they sleep.
Four sizes cover babies from 0 to 24 months: S (0-6M), M (6-12M), L (12-18M), XL (18-24M). For best results, choose by weight and growth to keep the sack from riding up. The fabric withstands hundreds of washes, with a shrinkage rate kept under 3% when washed and dried per care instructions.
Real-life use often includes cozy crib nights, stroller naps, and travel days where a dependable sleep sack can simplify bedtime routines while keeping your baby snug and comfortable.
Q: What ages and sizes does the Yoofoss Sleep Sack cover?
A: Four sizes (S-XL) fit 0–24 months; choose by weight and growth for a comfortable fit.
Q: Is the sleep sack machine washable and durable?
A: Yes. It’s machine washable with less than 3% shrinkage when cared for as directed.
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