




Mathias Oversized Blazer - Slate
The Mathias Oversized Blazer in Slate by SIR.
The Mathias Oversized Blazer in Slate by SIR. is a refined tailored blazer designed with an oversized silhouette and effortless modern structure. Finished in a versatile slate tone, this elevated wardrobe essential balances relaxed tailoring with a polished contemporary aesthetic for effortless transeasonal dressing.
The oversized fit and clean tailoring make it perfect layered over denim, lightweight knitwear or coordinating tailored separates for an easy, polished approach to everyday styling and occasion dressing.
Size Notes
- Oversized, relaxed tailored fit.
- Model 1 is 5'10" (178cm) and wears a size 1.
Composition
- Main: 50% Wool, 44% Polyester, 6% Elastane.
- Lining: 100% Polyester.
- Designed in Australia.
Care Guide
- Dry clean only.
- Do not bleach.
- Do not tumble dry.
- Cool iron on reverse if required.
- Store hanging to maintain shape.
FAQs
What is the Mathias Oversized Blazer made from?
A wool blend of 50% wool, 44% polyester and 6% elastane, designed in Australia.
How should I style the Mathias Oversized Blazer?
Layer it over denim, lightweight knitwear or coordinating tailored separates for an easy, polished look.
Original: $291.23
-65%$291.23
$101.93Product Information
Product Information
Shipping & Returns
Shipping & Returns
Description
The Mathias Oversized Blazer in Slate by SIR.
The Mathias Oversized Blazer in Slate by SIR. is a refined tailored blazer designed with an oversized silhouette and effortless modern structure. Finished in a versatile slate tone, this elevated wardrobe essential balances relaxed tailoring with a polished contemporary aesthetic for effortless transeasonal dressing.
The oversized fit and clean tailoring make it perfect layered over denim, lightweight knitwear or coordinating tailored separates for an easy, polished approach to everyday styling and occasion dressing.
Size Notes
- Oversized, relaxed tailored fit.
- Model 1 is 5'10" (178cm) and wears a size 1.
Composition
- Main: 50% Wool, 44% Polyester, 6% Elastane.
- Lining: 100% Polyester.
- Designed in Australia.
Care Guide
- Dry clean only.
- Do not bleach.
- Do not tumble dry.
- Cool iron on reverse if required.
- Store hanging to maintain shape.
FAQs
What is the Mathias Oversized Blazer made from?
A wool blend of 50% wool, 44% polyester and 6% elastane, designed in Australia.
How should I style the Mathias Oversized Blazer?
Layer it over denim, lightweight knitwear or coordinating tailored separates for an easy, polished look.




















