Firecrest Mercury Microcosm Woven Wraps

(8 customer reviews)

50% Organic Combed Cotton, 50% Lambswool Merino


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  • Ethically woven in the UK
  • Handsewn
  • Small, limited collections
  • Worldwide shipping

50% organic combed cotton, 50% merino wool Alchemy weave

Firecrest Mercury Microcosm is a  thicker, limited edition, wool blend wrap with a shimmery grey warp and autumnal mustard coloured wool weft. Our microcosm design is inspired by magnified tree bark cells.
You can read more about this wrap on our wrap database

This wrap is machine washable on a delicates/wool specific cycle.

Our limited edition wraps are made from cloth that is woven in England from ethically sourced yarns.



Woven Wrap Sizing

Wrap sizes don’t work in the same way as clothing.

Size numbers refer to the length of the woven wrap- the larger the number, the longer the wrap.

Each size is 50cm (20”) longer than the previous size.

SIZE 1 = 2.2M (7’2”)
SIZE 2 = 2.7M (8’8”)
SIZE 3 = 3.2M (10’ 8”)
SIZE 4 = 3.7M (12’)
SIZE 5 = 4.2M (13’8)
SIZE 6 = 4.7M (15’4”)
SIZE 7 = 5.2M (17’)
SIZE 8 = 5.7M (18’7”)
SIZE 9 = 6.2M (20’3”)

Each length offers different options for tying, so there isn’t a single size that will ‘fit you.

Your body size will determine how big a wrap you need for tying each specific carry. For example, the Front Wrap Cross Carry is a popular starter carry. Some people will be able to use a size 6 for this carry, but others may need a longer (or shorter) wrap depending on their body and baby size.

Read more about understanding wrap sizes

Read more about choosing the right size of wrap for you


Brushed Cotton Blankets

Our blankets come in two sizes:

Double- 160cm x190cm approx (63″ x 75″)
King Size- 160cm x 220cm approx (63″ x 87″)


Our Ponchos are one size. Height is a bigger factor than dress size when it comes to fit, and they will fit most bodies under 6′ tall! The Poncho is approximately 105cm long at the front, from the base of the neck to the longest taper point (not including the cowl neck), and approx 66cm long at the shoulder, from the base of the neck to the highest point of the hem

Babywearing Bags

Absolute Bobbins:
The main body of the bag is approx 30cm x 30cm x 16cm
The adjustable strap is 180cm to the taper end, and 35cm wide

The zip opening is 30cm wide and the base of the bag is 40cm. It has a depth of approx 30cm and a 10cm wide base.
The adjustable strap is 165cm to the taper end, and 20cm wide

Scarves and Cowls

Full width Cowl full wrap width (approx 70cm),
95cm circumference
Scarf half wrap width (approx 35cm)
2.2m length
Loop scarf half wrap width (approx 35cm)
1.45m circumference

8 reviews for Firecrest Mercury Microcosm Woven Wraps

  1. rachael5314 (verified owner)

    This wrap is so soft and floppy. It’s like wearing a warm blanket. It has great support for bigger kids and it makes both a great shorty and base size wrap (I may love it so much I have both).

  2. melissa.dzwonek (verified owner)

    Firecrest Mercury Microcosm has quickly become one of my favourite Fispis! We have a size 4 (base -2) and it’s perfect. This wrap is absolutely gorgeous – the golden orange glows in sunlight and the microcosm design is really cool visually and shows off the contrast between the warp and weft. This is one of the heavyweight wool Fispis, meaning it will make your baby weightless and be comfortable for long periods even in single layer carries. That being said, it’s mouldable and easy to wrap with. It’s a perfect example of all the things I love about Fispi wool.

  3. kurosawa.hitomi (verified owner)

    I really like 50% wool wrap and this is not an exception!
    It’s not itchy at all and very good for aching shoulder.
    It’s good for big kids but great with under 1year old baby too.
    The colours are my favorite point of this wrap. Just amazing.

  4. bradlvk (verified owner)

    Firecrest Mercury Microcosm is a lovely wrap. I have a size 4 (base -2) that I’ve been using since the spring with my now 2 year old. Firespiral wool is the BEST wool that I’ve tried in my wrapping, & I’ve tried a lot.
    The pairing of the mustardy/orange/gold wool with the grey/green cotton is a superb color combination. It’s a neutral that pairs with so much.

  5. Rachel Dyas – Hamilton (verified owner)

    Got this as a shortie, it’s beautiful and really looks great, especially in the sunshine! Really supportive and cosy!

  6. Naomi P

    This is the first woolly wrap I’ve tried and I fell in love with it (I had it for a holiday and ended up buying it because I couldn’t bear to send it back!) I love the design and the colours but most of all I’m impressed by the comfort and support it gives – I carried my toddler for 7km, my feet ached from the walk but my back and shoulders were fine. I also like wearing this as an extra layer when I’m not carrying my daughter, it’s cosy but breathable and makes me feel fabulous!

  7. bonnietheclyde

    This is such an incredibly fluffy and comfortable hug of a wrap! I absolutely love it and the weft colors scream autumnal vibes that make me want to sit in a window with a hot drink and watch the world go by. Soft and beautiful, comfortable for all ages, especially great at making big kids weightless!

  8. ajwnoonan (verified owner)

    This was my first firespiral and i love It. I have a 3 base -2/3 and i find It really versatile. Great grip and very mouldable. Have loved wearing it as a fancy huge cosy scarf and it makes a gorgeous lap blanket for my bigger child when in the pushchair!

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UK Shipping

  • In-stock orders will be posted next working day in most cases.
  • Standard shipping costs £4.20 up to 2kg. Heavier orders will be split into multiple parcels. We use Royal Mail 2nd Class Signed for which usually takes between 1 & 3 days to arrive.
  • Royal Mail Special (next working day) Delivery is available at cost. We will do our best to post these orders on the same day if received before 1pm UK time.
  • We often (not always!) provide tracking numbers.
  • You will receive an email to say that your order has been shipped

Worldwide Shipping

  • For European orders we use GLS europriority service. This is a flat rate service for orders up to 4kg which should be with you in 3-4 working days. For other international orders (Excluding US orders) under 2kg We use Royal Mail’s international tracked or signed for service. For US orders we use Fedex world express. The prices given at checkout are generally correct for these weights.
  • For heavier orders we use other couriers including FedEx, UPS, DPD. If we can get shipping for less than you have paid we will refund you. We will aim to get the best value price for you.
  • You will receive a tracking number on your email that tells you we have shipped your order. This is also available on your account if you have one.
  • We aim to ship international orders within 3 working days.
  • International orders may take longer to arrive than expected due to local revenue and customs processes.

Our website sends an email once we have marked your order as completed but sometimes these emails don’t make it through to your inbox.  If you have an account with us you can check your order status by logging in. A “completed” status means that your order has been shipped. You can also view your tracking number here.

We are happy to add phone numbers or specific details/instructions to your parcel- you can include them in your shipping address or add them in the comments box when you order. We cannot guarantee that your local postal service will follow any specific instructions. All parcels will require a signature on delivery.

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