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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 Flat Knit Split Neck Polo Shirt

£35.00

Jack & Jones Men's Flat Knit Split Neck Polo Shirt – Oatmeal

Elevate your casual wardrobe with this sophisticated take on a timeless classic. This Jack & Jones knitted polo shirt beautifully blends traditional heritage style with modern everyday comfort, making it an essential foundation piece for any stylish gentleman.

The neutral oatmeal palette delivers an incredibly versatile aesthetic. It provides a clean, understated look that coordinates effortlessly with casual weekend clothing or can be easily elevated for smart-casual evening drinks.

Premium Flat Knit Fabric

Crafted from a high-quality flat knit, this short-sleeved top offers exceptional flexibility and an incredibly soft touch against the skin. The rich textured finish provides a more refined, luxurious aesthetic than a standard jersey tee.

The lightweight, woven textile naturally enhances airflow to keep you feeling cool, fresh, and completely relaxed all day long. Its breathable structure makes it an excellent choice for transitioning smoothly between the seasons.

The resilient knit construction is carefully engineered to hold its precise shape through frequent wear. It naturally resists warping, providing a crisp outline around the chest and shoulders that maintains a premium look wash after wash.

Contemporary Design Details

Moving away from the traditional buttoned placket, this garment features a highly stylish split neck design. This smart open collar creates a clean, minimalist silhouette that flatters the neckline for a contemporary edge.

The short sleeves are finished with neat ribbed cuffs to provide a structured and tidy fit around the arms. This regular-fit top features clean set-in sleeves, offering plenty of room to move completely freely without ever feeling baggy.

Crafted with a commitment to more responsible fashion, this piece uses a blend of 83% organic cotton and 17% recycled polyester. This eco-friendly choice reduces environmental impact while ensuring lasting fabric durability.

Key Product Features

  • Brand: Jack & Jones premium casual menswear

  • Style Code: 12291030 for genuine quality assurance

  • Colour: Understated Oatmeal for ultimate wardrobe versatility

  • Material: Eco-friendly blend of 83% organic cotton and 17% recycled polyester

  • Fabric Detail: Premium, flexible, and highly breathable flat knit weave

  • Collar: Sophisticated split neck polo collar without buttons

  • Cuffs: Structured ribbed sleeve cuffs for a clean fit

  • Fit: Regular fit tailored for a classic, comfortable silhouette