Skip to content
Free UK Delivery on Orders Over £120
Extra 20% off Our Summer Collection
Join Our Members' Club
Open the mobile menu

Men's Seinse

Men’s Seinse at Jules B is for the modern man who values Italian elegance with urban edge. From jackets and knitwear to polos, shirts, tees, and trousers, each piece blends high-quality fabrics with impeccable craftsmanship. Customers love its contemporary fit, versatile cuts, and effortless style that transitions from day to night. With Seinse, sophistication meets comfort, making it a wardrobe essential for men who want fashion-forward, wearable luxury.

Select expand more
Select expand more
    Seinse Contrast Trim Crew T-Shirt
    SeinseContrast Trim Crew T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Contrast Trim Crew T-Shirt
    SeinseContrast Trim Crew T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Contrast Trim Crew T-Shirt
    SeinseContrast Trim Crew T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck Performance Tee
    SeinseCrew Neck Performance Tee
    £24.50 (£49) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck Performance Tee
    SeinseCrew Neck Performance Tee
    £29.40 (£49) 40% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck Performance Tee
    SeinseCrew Neck Performance Tee
    £24.50 (£49) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck Performance Tee
    SeinseCrew Neck Performance Tee
    £24.50 (£49) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck Performance Tee
    SeinseCrew Neck Performance Tee
    £24.50 (£49) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Layered Trim T-Shirt
    SeinseLayered Trim T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Layered Trim T-Shirt
    SeinseLayered Trim T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Layered Trim T-Shirt
    SeinseLayered Trim T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Layered Trim T-Shirt
    SeinseLayered Trim T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse V-Neck T-Shirt
    SeinseV-Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse V-Neck T-Shirt
    SeinseV-Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse V-Neck T-Shirt
    SeinseV-Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse V-Neck T-Shirt
    SeinseV-Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck T-Shirt
    SeinseCrew Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck T-Shirt
    SeinseCrew Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Crew Neck T-Shirt
    SeinseCrew Neck T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Cotton Linen Henley T-Shirt
    SeinseCotton Linen Henley T-Shirt
    £25 (£50) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley T-Shirt
    SeinseHenley T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley T-Shirt
    SeinseHenley T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley T-Shirt
    SeinseHenley T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley T-Shirt
    SeinseHenley T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley Pocket T-Shirt
    SeinseHenley Pocket T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Henley Pocket T-Shirt
    SeinseHenley Pocket T-Shirt
    £19.50 (£39) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Short-Sleeve Print Shirt
    SeinseShort-Sleeve Print Shirt
    £49.50 (£99) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Short-Sleeve Linen Shirt
    SeinseShort-Sleeve Linen Shirt
    £55.25 (£85) 35% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Short-Sleeve Linen Shirt
    SeinseShort-Sleeve Linen Shirt
    £51 (£85) 40% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Short-Sleeve Linen Shirt
    SeinseShort-Sleeve Linen Shirt
    £59.50 (£85) 30% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Button-Down Linen Shirt
    SeinseButton-Down Linen Shirt
    £54.50 (£109) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Button-Down Linen Shirt
    SeinseButton-Down Linen Shirt
    £54.50 (£109) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Long-Sleeve Linen Shirt
    SeinseLong-Sleeve Linen Shirt
    £54.50 (£109) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Long-Sleeve Linen Shirt
    SeinseLong-Sleeve Linen Shirt
    £54.50 (£109) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Slim Elastic-Waist Shorts
    SeinseSlim Elastic-Waist Shorts
    £39.50 (£79) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Slim Elastic-Waist Shorts
    SeinseSlim Elastic-Waist Shorts
    £39.50 (£79) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Slim Elastic-Waist Shorts
    SeinseSlim Elastic-Waist Shorts
    £39.50 (£79) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Essential Chino Shorts
    SeinseEssential Chino Shorts
    £48.30 (£69) 30% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Open Neck Polo
    SeinseOpen Neck Polo
    £34.50 (£69) 50% off
    EXTRA 20% OFF | CODE: HIGHSUMMER
    Seinse Open Neck Polo
    SeinseOpen Neck Polo
    £44.85 (£69) 35% off
    EXTRA 20% OFF | CODE: HIGHSUMMER