US	UK	EUR	IN	CM
5	2.5	35	8.7	22
5.5	3	35.5	8.9	22.5
6	3.5	36	9.1	23
6.5	4	37	9.3	23.5
7	4.5	37.5	9.4	24
7.5	5	38	9.6	24.5
8	5.5	39	9.8	25
8.5	6	39.5	10.0	25.5
9	6.5	40	10.2	26
9.5	7	40.5	10.4	26.5
10	7.5	41	10.6	27
10.5	8	42	10.8	27.5
11	8.5	42.5	11.0	28
11.5	9	43	11.2	28.5
12	9.5	43.5	11.4	29
12.5	10	44	11.6	29.5

Size	US
S	5-6
M	7-8
L	9-10

US	UK	EUR	IN	CM
7	6	39	9.8	25
7.5	6.5	40	10.0	25.5
8	7	41	10.2	26
8.5	7.5	41.5	10.4	26.5
9	8	42	10.6	27
9.5	8.5	42.5	10.8	27.5
10	9	43	11.0	29
10.5	9.5	44	11.2	28.5
11	10	44.5	11.4	29
11.5	10.5	45	11.6	29.5
12	11	46	11.8	30
12.5	11.5	46.5	11.8	30
13	12	47.5	12.2	31
14	12.5	48	12.4	31.5

US	Length (in)	Length (cm)	Medium width (in)	Wide width (in)	Approx. Age
10.5	6 3/4	17.1	6 5/8	6 5/8
11 Kids	6 7/8	17.5	6 5/8	6 3/4	4–5 years
11.5	7 1/8	18	6 3/4	6 7/8
12 Kids	7 1/4	18.4	6 7/8	7	5–6 years
12.5	7 3/4	18.8	7 1/8	7
13 Kids	7 5/8	19.2	7 1/4	7 3/8	6–7 years
13.5	7 3/4	19.7	7 3/8	7 1/2
1 Youth	7 7/8	20.1	7 1/2	7 5/8	7–8 years
1.5	8 3/8	20.5	7 5/8	7 3/4
2 Youth	8 1/4	20.9	7 3/4	7 7/8	8–9 years
2.5	8 3/8	21.3	7 7/8	8
3 Youth	8 5/8	21.8	8	8 1/8	9–10 years
3.5	8 3/4	22.2	8 1/8	8 1/4
4 Youth	8 7/8	22.6	8 1/4	8 3/8	10–11 years
4.5	9 1/8	23.1	8 3/4	8 1/2
5 Youth	9 1/4	23.5	8 1/2	8 5/8	11–12 years
5.5	9 3/8	23.9	8 5/8	8 3/4
6 Youth	9 5/8	24.3	8 7/8	8 7/8	12–13 years
6.5	9 3/4	24.8	8 7/8	9
7	9 7/8	25.2	9	9 1/8

Size	XS	S	M	L	XL
Ring Size	5	6	7	8	9
Diameter (mm)	15 mm	16 mm	17 mm	18 mm	19 mm

Size	S	M	L
Ring Size (Reg)	4	5	6
Diameter (mm)	-	-	-

Size	S	M	L
Ring Size (Reg)	6,6,7	7,8,8	8,9,9
Ring Size (Midi)	4,5,4	4,5,4	5,6,5

Size	XS	S	M	L	XL
Ring Size	9	10	11	12	13
Diameter (mm)	19 mm	20 mm	21 mm	22 mm	23 mm

Size	S	M	L	XL
Chest	53.5 cm / 21.1”	57.5 cm / 22.6”	61.5 cm / 24.2”	65.5 cm / 25.8”
Length	68.5 cm / 27”	72.5 cm / 28.5”	76.5 cm / 30.1”	80.5 cm / 31.7”
Sleeve	56 cm / 22”	58 cm / 22.8”	60 cm / 23.6”	62 cm / 24.4”

Size	XS	S	M	L	XL
US	2	4/6	8/10	12/14	16/18
EUR	32	34/36	38/40	42/44	46-48
UK	6	8/10	12/15	16/18	20/22
Natural waist	21”	23”	25”	27”	29”
Hips	29.5”	30.5”	31.5”	32.5”	33.5”
Inseam	25”	25.5”	26”	26.5”	27”

Size	S / M	M / L
Inches	31” - 34”	34” - 37”
CMs	77.5 cm - 85 cm	85 cm - 92.5 cm

Size	S	M	L	XL	XXL
Inches	28”	30”	32”	34”	36”
CMs	70 cm	75 cm	80 cm	85 cm	90 cm

Size	S	M	L	XL	XXL
Inches	31”	33”	35”	37”	39”
CMs	77.5 cm	82.5 cm	87.5 cm	92.5 cm	97.5 cm

Size	XS	S	M	L	XL	XXL
Inches	32”	34”	36”	38”	40”	42”
CMs	80 cm	85 cm	90 cm	95 cm	100 cm	105 cm

Size	S / M	M / L
Head Circumference ( Inches )	22”	22.8”
Head Circumference ( CMs )	56 cm	58 cm

Size	S / M	M / L
Head Circumference ( Inches )	22.8”	23.6”
Head Circumference ( CMs )	58 cm	60 cm

The Authentic Original™ Boat Shoe

A boater for all seasons

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A classic for a reason: Our signature boat shoes are always it, season after season.

The Authentic Original™ Boat Shoe
The Authentic Original™ Boat Shoe is the cornerstone of Sperry’s heritage — a timeless icon of nautical style. Hand-sewn from premium leather for unmatched durability, it features the 360° Lacing System™ for a customized fit and a non-marking rubber outsole with Wave-Siping™ for superior traction on wet and dry surfaces. The cushioned insole ensures all-day comfort, making it as practical as it is stylish. Designed to transition seamlessly from the deck to the dock to casual city wear, it pairs effortlessly with shorts, chinos, or denim. Every detail, from the rawhide laces to the hand-finished stitching, speaks to Sperry’s dedication to craftsmanship. More than just a shoe, the Authentic Original™ is a piece of history — one that continues to inspire adventure and timeless style in every generation.

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The Authentic Original™ Boat Shoe

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Authentic Original™ Boat Shoe — Page 3 of 5