IN THE SAC Releases Linen Fitted Sheets Sized for Australian Mattress Depths
Double Bay, Australia - September 15, 2026 / IN THE SAC /
IN THE SAC has released a new range of linen fitted sheets engineered specifically for Australian mattress depths of 35-45cm and above, addressing a persistent fit problem that has frustrated local shoppers for years.
The Melbourne-based bedding label designed the new sheets in direct response to a structural mismatch that has long affected the Australian linen market: most imported fitted sheets are cut for shallower European or North American mattress profiles, which sit well below the depths common in Australian bedrooms. When those sheets are placed on a deeper mattress, the pocket simply does not reach, the corners pull free overnight, and the sheet bunches or rides up entirely.
A Fit Problem Built Into the Fabric
The issue is not cosmetic. As Australian mattress construction has trended toward thicker pillow-top and hybrid builds, the gap between local mattress depths and the sizing assumptions of overseas linen manufacturers has widened. A sheet with a 25cm or 30cm pocket depth - standard for many international suppliers - will not secure to a mattress sitting at 40cm or more. The result is a sheet that functionally does not work, regardless of the quality of the linen itself.
IN THE SAC developed the new linen fitted sheets with pocket depths calibrated to the 35-45cm+ range that reflects the actual height of beds found in Australian homes today. The construction accounts for the full mattress depth plus the necessary overhang to grip the underside of the mattress securely, so the sheet remains in place through the night.
Dutch-Flax Linen Made to Local Dimensions
The sheets are woven from Dutch-flax linen, a fibre known for its breathability and the way it softens progressively with each wash. Linen's natural temperature-regulating properties make it well suited to the Australian climate, which demands a fabric that can perform across warm summers and cooler winter nights without switching between seasonal bedding entirely.
What distinguishes this release from prior linen offerings on the Australian market is the deliberate decision to treat local mattress sizing as the starting specification rather than an afterthought. Most imported linen reaches the Australian market sized for its country of origin, with Australian shoppers left to judge whether a listed pocket depth will stretch to fit - or discover it will not only after the purchase.
The new range is available as part of IN THE SAC's broader linen bedding collection, which covers a full suite of sleeping essentials for the Australian bedroom. Shoppers looking for the best linen sheets australia has dimensioned for local conditions will find the fitted sheet range sits within that collection.
Sizing That Reflects How Australians Actually Sleep
The release reflects a broader shift in how domestic bedding specialists are approaching product development. Rather than adapting internationally sized inventory for the local market, IN THE SAC built the pocket depth specification around documented Australian mattress heights, treating that measurement as a primary design constraint.
The linen fitted sheets are available now across standard Australian bed sizes. The sheets are designed to be used as part of a full linen set or paired with existing bedding, and the pocket dimensions remain consistent across the size range so that the fit holds whether the mattress in question sits at the lower or upper end of the 35-45cm+ depth bracket.
About IN THE SAC
IN THE SAC is a Melbourne-based bedding label offering linen and cotton sleeping essentials sized and designed for the Australian market. The brand's linen range is produced using Dutch-flax linen and is available in a range of bed sizes suited to Australian bedroom dimensions.
Learn more at IN THE SAC
Contact Information:
IN THE SAC
Shop 2/4 Cross Street
Double Bay, NSW 2028
Australia
Belinda Gallo
+61 413 433 114
https://inthesac.com.au
