Training and outdoor tips, monthly
Seasonal advice and new arrivals. Unsubscribe in one click.
Free UK delivery · Free 30-day returns · sportium.co.uk@gmail.com





Every order ships free with tracking. Timings are on our delivery page.
Email us with your order number within 30 days of delivery and we will send a prepaid returns label. Refunds go back to your original payment method.
Tell us the sport, your level and the measurements that matter at sportium.co.uk@gmail.com and we will help you choose.
Mannice Lightweight Sleep Sack is a compact, ultralight sleeping bag liner that gives you a clean, soft personal bed layer while traveling without adding bulk to your luggage.
Whether you're staying in budget hostels, upscale hotels, or camping under the stars, this travel sheet is designed to be a hygienic, comfortable and packable bedding solution. Constructed from sanded polyester for a silky touch and low-noise feel, the Mannice sleep sack folds into a small pouch and fits easily in carry-ons, daypacks and hiking packs. Its roomy cut and integrated pillowcase make it simple to use on beds of all sizes while also offering a breathable layer that works across seasons.
The Mannice sleep sack weighs about 1.26 lb and compresses into a tiny storage pouch, freeing up valuable packing room. Its lightweight design means you can bring a personal bedding layer without sacrificing weight limits or carry-on space.
Mannice uses sanded polyester to create a soft, smooth surface that minimizes rustling, resists pilling and holds color wash after wash. The fabric breathes to help regulate temperature so you stay comfortable in warm and transitional seasons.
The sleep sack includes a built-in pillowcase and snap closure at the top for quick setup on hotel beds or mattresses. Its roomy cut lets you stretch freely, and the whole unit is machine washable for simple care after trips.
This travel sheet works well on its own during warm months or as an added liner to increase insulation inside a sleeping bag by roughly 10–15°F. It also creates a clean barrier between you and unfamiliar hotel sheets to improve perceived hygiene.
Who is this for: The Mannice Lightweight Sleep Sack suits frequent travelers, backpackers, business people, and families who want a portable, hygienic bedding solution without bulk. It’s also ideal for anyone staying in shared accommodations or on multi-day outdoor trips who needs an easy-to-pack, low-maintenance sleep layer that simplifies overnight stays and keeps bedding personal and comfortable.
Q: What weight and size options are available?
A: The sleep sack weighs about 1.26 lb and comes in single, one-or-two person, and double sizes to suit solo travelers and couples.
Q: Is the fabric noisy or quick to clean?
A: Noisy crinkle is minimal thanks to sanded polyester, and the liner is machine washable and tumble dry safe on low.
Delivery: free and tracked to addresses across the UK, with no minimum spend. We email your tracking link as soon as your order is dispatched; timings are on our delivery page.
Returns: 30 days from delivery to return an unused item in its original packaging free of charge, with a prepaid label. This is on top of your 14-day legal right to cancel, and your Consumer Rights Act protections for faulty goods.
Damaged or wrong item? Email us a photo at sportium.co.uk@gmail.com and we will replace or refund it.
Seasonal advice and new arrivals. Unsubscribe in one click.
Thanks for subscribing!
This email has been registered!
| Product | Description | Collection | Availability | Product type | Other details |
|---|