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Modern and Casual

Explore modern and casual Seidensticker styles designed for relaxed sophistication. From contemporary shirts to versatile layering pieces, this collection blends clean tailoring with everyday comfort. Shop refined smart-casual menswear suited to modern UK lifestyles.

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Seidensticker Single Jersey T-Shirt White
Single Jersey T-Shirt White Sale price£40.00
Seidensticker Regular Fit Kent Collar Jersey Shirt Grey
Regular Fit Kent Collar Jersey Shirt Grey Sale price£80.00
Seidensticker Regular Fit Spread Kent Striped Oxford Shirt Light Blue
Regular Fit Spread Kent Striped Oxford Shirt Light Blue Sale price£80.00
Seidensticker Regular Fit Spread Kent Striped Casual Shirt Light Blue
Regular Fit Spread Kent Striped Casual Shirt Light Blue Sale price£80.00
Seidensticker Regular Fit Spread Kent Striped Casual Shirt Beige
Regular Fit Spread Kent Striped Casual Shirt Beige Sale price£80.00
Seidensticker Merino Wool Crewneck Knit Grey
Merino Wool Crewneck Knit Grey Sale price£110.00
Seidensticker Regular Fit Button Down Oxford Shirt White
Regular Fit Button Down Oxford Shirt White Sale price£80.00
Seidensticker Merino Wool Polo Collar Knit Dark Blue
Merino Wool Polo Collar Knit Dark Blue Sale price£110.00
Seidensticker Merino Wool Polo Collar Knit Grey
Merino Wool Polo Collar Knit Grey Sale price£110.00
Seidensticker Merino Wool Polo Collar Knit Black
Merino Wool Polo Collar Knit Black Sale price£110.00
Seidensticker Regular Fit Button Down Oxford Shirt Light Blue
Regular Fit Button Down Oxford Shirt Light Blue Sale price£80.00
Seidensticker Regular Fit Pique Polo Shirt Mid Green
Regular Fit Pique Polo Shirt Mid Green Sale price£60.00
Seidensticker Regular Fit Pique Polo Shirt Dark Blue
Regular Fit Pique Polo Shirt Dark Blue Sale price£60.00
Seidensticker Regular Fit Pique Polo Shirt White
Regular Fit Pique Polo Shirt White Sale price£60.00
Seidensticker Regular Fit Pique Polo Shirt Light Blue
Regular Fit Pique Polo Shirt Light Blue Sale price£60.00
Seidensticker Regular Fit Pique Polo Shirt Black
Regular Fit Pique Polo Shirt Black Sale price£60.00
Seidensticker Regular Fit Pique Polo Shirt Light Grey
Regular Fit Pique Polo Shirt Light Grey Sale price£60.00
Seidensticker Single Jersey T-Shirt Dark Blue
Single Jersey T-Shirt Dark Blue Sale price£40.00
Seidensticker Single Jersey T-Shirt Black
Single Jersey T-Shirt Black Sale price£40.00
Seidensticker Stretch Cotton V - Neck T-Shirt White
Stretch Cotton V-Neck T-Shirt White Sale price£30.00
Seidensticker Stretch Cotton V - Neck T-Shirt Dark Beige
Stretch Cotton V-Neck T-Shirt Dark Beige Sale price£30.00
Seidensticker Stretch Cotton T-Shirt White
Stretch Cotton T-Shirt White Sale price£30.00
Seidensticker Stretch Cotton Vest White
Stretch Cotton Vest White Sale price£30.00
Seidensticker Regular Fit Cotton Twill Casual Lapel Jacket Grey
Regular Fit Cotton Twill Casual Lapel Jacket Grey Sale price£150.00
Seidensticker Regular Fit Cotton Twill Casual Lapel Jacket Olive
Regular Fit Cotton Twill Casual Lapel Jacket Olive Sale price£150.00
Seidensticker Regular Fit Cotton Twill Casual Lapel Jacket Dark Blue
Regular Fit Cotton Twill Casual Lapel Jacket Dark Blue Sale price£150.00
Seidensticker Regular Fit Kent Collar Jersey Shirt Dark Blue
Regular Fit Kent Collar Jersey Shirt Dark Blue Sale price£80.00
Seidensticker Regular Fit Kent Collar Jersey Shirt Black
Regular Fit Kent Collar Jersey Shirt Black Sale price£80.00
Seidensticker Merino Wool Crewneck Knit Dark Blue
Merino Wool Crewneck Knit Dark Blue Sale price£110.00
Seidensticker Merino Wool Crewneck Knit Black
Merino Wool Crewneck Knit Black Sale price£110.00
-40%Seidensticker Regular Fit Spread Kent Pepita Flannel Shirt Dark Blue
Regular Fit Spread Kent Pepita Flannel Shirt Dark Blue Sale price£54.00 Regular price£90.00
-40%Seidensticker Regular Fit Spread Kent Casual Shirt Dark Blue
Regular Fit Spread Kent Casual Shirt Dark Blue Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit Spread Kent Check Flannel Shirt Dark Blue
Slim Fit Spread Kent Check Flannel Shirt Dark Blue Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit Spread Kent Pepita Flannel Shirt Dark Blue
Slim Fit Spread Kent Pepita Flannel Shirt Dark Blue Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Floral Shirt Grey
Slim Fit New Kent Floral Shirt Grey Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Flannel Shirt Dark Blue
Slim Fit New Kent Flannel Shirt Dark Blue Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Flannel Shirt Brown
Slim Fit New Kent Flannel Shirt Brown Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Flannel Shirt Grey
Slim Fit New Kent Flannel Shirt Grey Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Flannel Shirt Burgundy
Slim Fit New Kent Flannel Shirt Burgundy Sale price£54.00 Regular price£90.00
-40%Seidensticker Slim Fit New Kent Flannel Shirt Beige
Slim Fit New Kent Flannel Shirt Beige Sale price£54.00 Regular price£90.00
-50%Seidensticker Regular Fit Wool Mix Casual Overshirt Dark Blue
Regular Fit Wool Mix Casual Overshirt Dark Blue Sale price£90.00 Regular price£180.00
-50%Seidensticker Regular Fit Button Down Striped Oxford Shirt Light Blue
Regular Fit Button Down Striped Oxford Shirt Light Blue Sale price£50.00 Regular price£100.00
-60%Seidensticker Slim Fit Button Down Linen Blend Chambray Shirt Mid Blue
Slim Fit Button Down Linen Blend Chambray Shirt Mid Blue Sale price£44.00 Regular price£110.00
-50%Seidensticker Regular Fit Pique Polo Shirt Dark Pink
Regular Fit Pique Polo Shirt Dark Pink Sale price£35.00 Regular price£70.00
-50%Seidensticker Merino Wool Stand Collar 1/4 Zip Knit Dark Blue
Merino Wool Stand Collar 1/4 Zip Knit Dark Blue Sale price£80.00 Regular price£160.00
-50%Seidensticker Merino Wool Roll Neck Knit Dark Blue
Merino Wool Roll Neck Knit Dark Blue Sale price£60.00 Regular price£120.00
-50%Seidensticker Merino Wool Roll Neck Knit Grey
Merino Wool Roll Neck Knit Grey Sale price£60.00 Regular price£120.00
-50%Seidensticker Merino Wool Roll Neck Knit Black
Merino Wool Roll Neck Knit Black Sale price£60.00 Regular price£120.00

Questions About Modern and Casual

What is included in Modern and Casual? +

This collection includes casual shirts, polos, T-shirts, knitwear and relaxed smart-casual styles.

Are casual shirts suitable for everyday wear? +

Yes. Seidensticker casual shirts are designed for versatile everyday dressing.

Can casual shirts be worn smart-casual? +

Yes. Many styles can be worn with chinos, denim, knitwear or casual jackets.

What fabrics are available? +

Fabrics vary by season and style, including cotton, linen and jersey constructions where available.