UNDEFEATED X NIKE AIR FORCE 1 LOW &
UNDEFEATED X NIKE AIR FORCE 1 LOW &
UNDEFEATED X NIKE AIR FORCE 1 LOW &
UNDEFEATED X NIKE AIR FORCE 1 LOW &
UNDEFEATED X NIKE AIR FORCE 1 LOW &

UNDEFEATED X NIKE AIR FORCE 1 LOW 'TOTAL ORANGE'

Regular price£369.99
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Tax included. Shipping calculated at checkout.

Size
Size chart

Every pair on Project Sneakers is listed in UK sizing. Use the charts below to convert to EU and US for your chosen brand — sizing runs slightly differently between brands, so always check the right table.

Find your size: stand on a sheet of paper, mark heel to longest toe, and measure the length in cm. Match that to the Foot length column for the most accurate fit. If you're between sizes or the shoe is a snug silhouette, size up. Charts are men's / unisex unless stated — for US women's, add 1.5 to the US men's number.

Nike & Air Jordan

Jordan uses the same sizing as Nike. Nike tends to run slightly narrow.

UK EU US Foot length
UK 5.5 EU 38.5 US 6 23.7 cm
UK 6 EU 39 US 6.5 24.1 cm
UK 6 EU 40 US 7 24.5 cm
UK 6.5 EU 40.5 US 7.5 25.0 cm
UK 7 EU 41 US 8 25.4 cm
UK 7.5 EU 42 US 8.5 25.8 cm
UK 8 EU 42.5 US 9 26.2 cm
UK 8.5 EU 43 US 9.5 26.7 cm
UK 9 EU 44 US 10 27.1 cm
UK 9.5 EU 44.5 US 10.5 27.5 cm
UK 10 EU 45 US 11 27.9 cm
UK 10.5 EU 45.5 US 11.5 28.3 cm
UK 11 EU 46 US 12 28.8 cm
UK 11.5 EU 47 US 12.5 29.2 cm
UK 12 EU 47.5 US 13 29.6 cm
UK 12.5 EU 48 US 13.5 30.0 cm
UK 13 EU 48.5 US 14 30.5 cm

adidas & Yeezy

adidas runs about a half-size different to Nike and fits a touch wider.

UK EU US Foot length
UK 5 EU 38 US 5.5 23.3 cm
UK 5.5 EU 38 2/3 US 6 23.8 cm
UK 6 EU 39 1/3 US 6.5 24.2 cm
UK 6.5 EU 40 US 7 24.6 cm
UK 7 EU 40 2/3 US 7.5 25.0 cm
UK 7.5 EU 41 1/3 US 8 25.5 cm
UK 8 EU 42 US 8.5 25.9 cm
UK 8.5 EU 42 2/3 US 9 26.3 cm
UK 9 EU 43 1/3 US 9.5 26.7 cm
UK 9.5 EU 44 US 10 27.1 cm
UK 10 EU 44 2/3 US 10.5 27.6 cm
UK 10.5 EU 45 1/3 US 11 28.0 cm
UK 11 EU 46 US 11.5 28.4 cm
UK 11.5 EU 46 2/3 US 12 28.8 cm
UK 12 EU 47 1/3 US 12.5 29.3 cm
UK 12.5 EU 48 US 13 29.7 cm
UK 13 EU 48 2/3 US 13.5 30.1 cm

ASICS

Generally true to size.

UK EU US Foot length
UK 6 EU 40 US 7 25.0 cm
UK 6.5 EU 40.5 US 7.5 25.5 cm
UK 7 EU 41.5 US 8 26.0 cm
UK 7.5 EU 42 US 8.5 26.5 cm
UK 8 EU 42.5 US 9 27.0 cm
UK 8.5 EU 43 US 9.5 27.5 cm
UK 9 EU 44 US 10 28.0 cm
UK 9.5 EU 44.5 US 10.5 28.5 cm
UK 10 EU 45 US 11 29.0 cm
UK 10.5 EU 45.5 US 11.5 29.5 cm
UK 11 EU 46.5 US 12 30.0 cm
UK 12 EU 47.5 US 13 31.0 cm

New Balance

True to size, available in multiple widths (D is standard).

UK EU US Foot length
UK 6.5 EU 40 US 7 25.0 cm
UK 7 EU 40.5 US 7.5 25.5 cm
UK 7.5 EU 41.5 US 8 26.0 cm
UK 8 EU 42 US 8.5 26.5 cm
UK 8.5 EU 42.5 US 9 27.0 cm
UK 9 EU 43 US 9.5 27.5 cm
UK 9.5 EU 44 US 10 28.0 cm
UK 10 EU 44.5 US 10.5 28.5 cm
UK 10.5 EU 45 US 11 29.0 cm
UK 11 EU 45.5 US 11.5 29.5 cm
UK 11.5 EU 46.5 US 12 30.0 cm
UK 12 EU 47 US 12.5 30.5 cm
UK 12.5 EU 47.5 US 13 31.0 cm

UGG — Women's

UK EU US Foot length
UK 3 EU 36 US 5 22.0 cm
UK 3.5 EU 36.5 US 5.5 22.5 cm
UK 4 EU 37 US 6 23.0 cm
UK 4.5 EU 37.5 US 6.5 23.5 cm
UK 5 EU 38 US 7 24.0 cm
UK 5.5 EU 38.5 US 7.5 24.5 cm
UK 6 EU 39 US 8 25.0 cm
UK 6.5 EU 39.5 US 8.5 25.5 cm
UK 7 EU 40 US 9 26.0 cm
UK 7.5 EU 40.5 US 9.5 26.5 cm
UK 8 EU 41 US 10 27.0 cm
UK 8.5 EU 41.5 US 10.5 27.5 cm
UK 9 EU 42 US 11 28.0 cm

UGG — Men's

UK EU US Foot length
UK 5 EU 39 US 6 24.0 cm
UK 5.5 EU 39.5 US 6.5 24.5 cm
UK 6 EU 40 US 7 25.0 cm
UK 6.5 EU 40.5 US 7.5 25.5 cm
UK 7 EU 41 US 8 26.0 cm
UK 7.5 EU 41.5 US 8.5 26.5 cm
UK 8 EU 42 US 9 27.0 cm
UK 8.5 EU 42.5 US 9.5 27.5 cm
UK 9 EU 43 US 10 28.0 cm
UK 9.5 EU 43.5 US 10.5 28.5 cm
UK 10 EU 44 US 11 29.0 cm
UK 10.5 EU 44.5 US 11.5 29.5 cm
UK 11 EU 45 US 12 30.0 cm
UK 12 EU 46 US 13 31.0 cm
Still unsure? Message us before you order and we'll help you dial in the right size — every pair is 100% authenticated in-house before it ships.
  • Low stock - 1 item left
  • Backordered, shipping soon
  • 100% authentic — every pair verified in-house before it ships
  • Fast UK tracked delivery — next-day options at checkout
  • Free 30-day returns & exchanges

The Undefeated x Nike Air Force 1 Low presents a striking take on basketball's most enduring silhouette. Rendered in a bold total orange colourway, the shoe maintains the clean lines and timeless proportions that have defined the Air Force 1 since its 1982 debut.

This collaboration brings together two design philosophies with shared respect for authentic streetwear heritage. The vibrant orange execution offers a confident statement whilst the low-cut profile ensures versatility across casual and contemporary styling.

Authenticity. Every pair is 100% authenticated in-house before dispatch — Project Sneakers Ltd, rated Excellent on Trustpilot.

Delivery. Fast UK tracked delivery, with next-day options at checkout.

Returns. Hassle-free 30-day returns and exchanges.

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