24/7 Customer Support
Free returns
Same-day & Next-day Delivery
Quality Guaranteed
Unlock Your Welcome Offers: FREE Delivery | Up to 80% OFF | Free 30-day JoyPlus trial
Download the APP
The traditional office jacket can often feel restrictive and formal. For many professional women, the daily choice between looking polished and feeling comfortable is a familiar challenge. The search for a versatile piece that bridges the gap between a structured suit jacket and a casual cardigan ends here. The women's knit blazer has emerged as a modern wardrobe essential, offering the sharp silhouette of a blazer with the softness and flexibility of your favourite knitwear.
This guide is designed to help you navigate the options and find a comfortable blazer for women that suits your style and workplace needs. We will explore what to look for in a quality knit blazer and share some of our top recommendations for 2026.
Selecting the right knit blazer involves more than just picking a colour. The fabric, cut and overall design determine its comfort, versatility and how it fits into your existing wardrobe.
Unlike traditional woven blazers, knit blazers are crafted from materials that offer stretch and softness. Look for a quality jersey blazer uk shoppers will appreciate, typically made from blends of polyester, viscose, rayon or nylon. These fabrics provide a beautiful drape while resisting wrinkles. Pay attention to the fabric weight, sometimes indicated as GSM (grams per square metre). A medium-weight knit (around 220-230 GSM) offers enough structure to look professional without feeling heavy or restrictive.
One of the defining features of a modern knit blazer is its relaxed, unstructured blazer design. This style moves away from rigid shoulder pads and stiff interlinings, creating a softer, more natural shoulder line. An open front blazer women often prefer creates a long, lean silhouette that is easy to layer over dresses, blouses and fine-gauge jumpers. This cut is the foundation of a great smart casual jacket.
To maximise wearability, opt for a solid colour blazer. Timeless shades like black, grey and navy are incredibly versatile and can be dressed up for the office or down for a weekend brunch. A classic long sleeve office jacket design ensures it remains a sophisticated and practical choice throughout the year, pairing effortlessly with everything from tailored trousers to dark-wash jeans.
Here are a few standout options that balance professional polish with everyday comfort.
Why It Stands Out: This blazer combines the comfort of knitwear with a clean, modern silhouette. Made from a soft polyester-viscose blend, it features a medium weight of 220 GSM that provides just enough structure to maintain a polished look. The open-front design drapes elegantly, creating a sleek and flowing line that is both flattering and comfortable for all-day wear.
Pros:
Who is it for? This is an excellent choice for professionals who want a foundational wardrobe piece that transitions seamlessly from the office to after-work engagements.
Why It Stands Out: Crafted from a smooth rayon-nylon blend, this blazer offers a slightly more substantial feel with a 230 GSM fabric weight. The design includes a classic notch lapel, adding a touch of traditional tailoring to its modern, comfortable form. The soft grey hue is a sophisticated alternative to black and pairs beautifully with a wide range of colours.
Pros:
Who is it for? Ideal for those who appreciate classic tailoring details but require the comfort and ease of a knit fabric for a busy workday.
Why It Stands Out: This blazer shares the same excellent features as the grey version, including the 230 GSM rayon-nylon fabric and notch lapel. The deep dark blue colour provides a rich, professional look that is just as versatile as black but adds a subtle touch of colour to your wardrobe. It’s a perfect smart casual jacket for creating polished, monochromatic outfits or for pairing with neutral trousers and skirts.
Pros:
Who is it for? A great option for anyone looking to expand their workwear palette beyond standard neutrals while retaining a high level of sophistication and comfort.
If you haven't found the perfect piece yet or are looking to build a complete, versatile wardrobe, you may wish to explore a wider collection. Discover more options in women's fashion and accessories to find complementary items for your new blazer.
Explore our collection of knitting accessories and more
A knit blazer is incredibly versatile. For a business-casual look, layer it over a silk blouse with tailored trousers or a pencil skirt. For a more relaxed, smart-casual outfit, pair it with a simple t-shirt, dark-wash jeans and loafers or clean white trainers. Its unstructured nature also makes it perfect for layering over sheath dresses.
In most modern business-casual or smart-casual offices, a high-quality knit blazer is perfectly appropriate. For more conservative or formal environments, look for one in a dark, solid colour with classic details like a notch lapel. Pair it with formal trousers or a skirt to maintain a professional appearance. It may not be a substitute for a full suit in a traditional corporate setting, but it is an excellent choice for daily wear.
While both are made from knitted fabrics, a blazer is defined by its tailored elements. A knit blazer has lapels, a structured shoulder (even if soft) and a cut that mimics a traditional jacket. A cardigan is typically more relaxed, often collarless and functions more like a jumper. The knit blazer offers more structure and polish than a cardigan, making it a more suitable option for professional settings.