⭐ EU Shopping Made Easy: Shipped from Northern Ireland with no customs charges, guaranteed! ⭐ EU Shopping Made Easy: Shipped from Northern Ireland with no customs charges, guaranteed!
Size Guide

Universal Size Guide

Use our master size charts below to find your perfect fit across our clothing and footwear collections. All measurements are provided as standard industry guidelines.

1. Men's Formal Shirts (Collar Sizing)

Formal dress shirts are measured primarily by the neck circumference.

  • S (Small): Collar 14.5" - 15" (37cm - 38cm) | To Fit Chest 36" - 38"
  • M (Medium): Collar 15.5" - 16" (39cm - 41cm) | To Fit Chest 39" - 41"
  • L (Large): Collar 16.5" - 17" (42cm - 43cm) | To Fit Chest 42" - 44"
  • XL (X-Large): Collar 17.5" - 18" (44cm - 46cm) | To Fit Chest 45" - 47"
  • 2XL (XX-Large): Collar 18.5" - 19" (47cm - 48cm) | To Fit Chest 48" - 50"
  • 3XL (3X-Large): Collar 19.5" - 20" (50cm - 51cm) | To Fit Chest 51" - 53"
  • 4XL (4X-Large): Collar 20.5" - 21" (52cm - 53.5cm) | To Fit Chest 54" - 56"

1b. Men's Suit Jackets, Blazers & Waistcoats

Tailored jackets and waistcoats are sized primarily by chest circumference in inches.

  • 36" Jacket (Small / EU 46): To Fit Chest 36" (91.5cm)
  • 38" Jacket (Small - Medium / EU 48): To Fit Chest 38" (96.5cm)
  • 40" Jacket (Medium / EU 50): To Fit Chest 40" (101.5cm)
  • 42" Jacket (Large / EU 52): To Fit Chest 42" (106.5cm)
  • 44" Jacket (Large - X-Large / EU 54): To Fit Chest 44" (111.5cm)
  • 46" Jacket (X-Large / EU 56): To Fit Chest 46" (117cm)
  • 48" Jacket (XX-Large / EU 58): To Fit Chest 48" (122cm)
  • 50" Jacket (3X-Large / EU 60): To Fit Chest 50" (127cm)
  • 52" Jacket (4X-Large / EU 62): To Fit Chest 52" (132cm)

Jacket Fitting Lengths

Most premium tailoring brands offer different jacket lengths based on your height:

  • Short (S): Ideal for heights up to 5'7" (170cm)
  • Regular (R): Ideal for heights from 5'8" to 6'0" (173cm - 183cm)
  • Long (L): Ideal for heights 6'1" and over (185cm+)

2. Men's Pullovers, Knitwear & Casual Shirts

For jumpers, casual shirts, t-shirts, and coats measured by chest size.

  • S (Small): To Fit Chest 36" - 38" (91.5cm - 96.5cm)
  • M (Medium): To Fit Chest 39" - 41" (99cm - 104cm)
  • L (Large): To Fit Chest 42" - 44" (106.5cm - 112cm)
  • XL (X-Large): To Fit Chest 45" - 47" (114.5cm - 119.5cm)
  • 2XL (XX-Large): To Fit Chest 48" - 50" (122cm - 127cm)
  • 3XL (3X-Large): To Fit Chest 51" - 53" (129.5cm - 134.5cm)
  • 4XL (4X-Large): To Fit Chest 54" - 56" (137cm - 142cm)

3. Men's Trousers, Chinos & Jeans

Trouser sizing is determined by your waist circumference and your inside leg length.

Waist Sizing

  • 30" Waist: 76cm (Alpha Size: Small)
  • 32" Waist: 81.5cm (Alpha Size: Medium)
  • 34" Waist: 86.5cm (Alpha Size: Medium - Large)
  • 36" Waist: 91.5cm (Alpha Size: Large)
  • 38" Waist: 96.5cm (Alpha Size: X-Large)
  • 40" Waist: 101.5cm (Alpha Size: XX-Large)
  • 42" Waist: 106.5cm (Alpha Size: 3X-Large)
  • 44" Waist: 111.5cm (Alpha Size: 4X-Large)

Inside Leg Length

  • Short (S): 30" Inside Leg (76cm)
  • Regular (R): 32" Inside Leg (81.5cm)
  • Long (L): 34" Inside Leg (86.5cm)

4. Women's Blouses & Tops

Standard conversions for women's tops and tailored items.

  • UK 8 (XS): To Fit Bust 32" (81cm)
  • UK 10 (S): To Fit Bust 34" (86cm)
  • UK 12 (M): To Fit Bust 36" (91cm)
  • UK 14 (L): To Fit Bust 38" (97cm)
  • UK 16 (XL): To Fit Bust 40" (102cm)
  • UK 18 (2XL): To Fit Bust 42" (107cm)
  • UK 20 (3XL): To Fit Bust 44" (112cm)

5. Women's Skirts & Trousers

Sizing guidelines for waist and hip fits.

  • UK 8: Waist 25" (63.5cm) | Hips 35" (89cm)
  • UK 10: Waist 27" (68.5cm) | Hips 37" (94cm)
  • UK 12: Waist 29" (73.5cm) | Hips 39" (99cm)
  • UK 14: Waist 31" (78.5cm) | Hips 41" (104cm)
  • UK 16: Waist 33" (84cm) | Hips 43" (109cm)
  • UK 18: Waist 36" (91.5cm) | Hips 46" (117cm)
  • UK 20: Waist 39" (99cm) | Hips 49" (124.5cm)

6. Footwear Size Guide

Shoe sizes can vary slightly by brand, but these charts show standard conversions.

Men's Shoes

  • UK 6: EU 39-40 | US 7 | Foot Length approx. 24.5cm
  • UK 7: EU 41 | US 8 | Foot Length approx. 25.4cm
  • UK 8: EU 42 | US 9 | Foot Length approx. 26.3cm
  • UK 9: EU 43 | US 10 | Foot Length approx. 27.2cm
  • UK 10: EU 44-44.5 | US 11 | Foot Length approx. 28.0cm
  • UK 11: EU 45-46 | US 12 | Foot Length approx. 28.8cm
  • UK 12: EU 47 | US 13 | Foot Length approx. 29.6cm

Jack & Jones Men's Relaxed Fit T-Shirt | 12278787

$22.00


📏 Sizing: Need help with measurements? Check our How To Measure Guide in the footer below!

Jack & Jones Men's JJ Studios Relaxed Fit T-Shirt – Style 12278787

Keep your casual look effortless with the Jack & Jones "JJ Studios" graphic tee, Style 12278787. A true wardrobe essential, this short-sleeved t-shirt is precisely designed to bridge the gap between basic and bold styles.

It offers a clean, contemporary aesthetic that pairs perfectly with casual denim jeans, summer shorts, or layered neatly under an open overshirt. It is a fantastic choice for building a relaxed, street-ready outfit with zero hassle.

Premium Single Jersey Comfort

Crafted from 100% organic "Direct to Farm" cotton, this single jersey tee provides a naturally soft and breathable feel against the skin. This premium material supports eco-friendly agriculture while delivering high-grade everyday comfort.

The circular knit construction ensures a smooth, uniform finish and lasting durability. The high-quality cotton weave naturally enhances airflow to keep you cool, making it comfortable enough for all-day wear regardless of the season.

The resilient fabric is engineered to handle frequent washing without losing its premium softness or structural form. This provides a highly reliable staple piece that maintains its shape beautifully throughout its lifespan.

Modern Relaxed Silhouette and Design

Moving away from the traditional tight fit, this garment features a contemporary relaxed silhouette. The extra room through the body and classic set-in sleeves provide a laid-back, streetwear-inspired look that flatters any frame.

The top maintains a traditional crew neck profile that remains completely timeless. The chest features a crisp "JJ Studios" graphic print, bringing a touch of understated Danish design and minimalist branding to your wardrobe.

Key Product Features

  • Brand: Jack & Jones premium casual streetwear

  • Style Code: 12278787 for genuine quality assurance

  • Fit: Modern relaxed fit for a comfortable and casual silhouette

  • Material: 100% Organic Direct to Farm Cotton for sustainable luxury

  • Fabric Detail: Soft, breathable, and smooth single jersey knit

  • Neckline: Classic structured crew neck for a timeless finish

  • Branding: Minimalist "JJ Studios" graphic print on the center chest