Child wearing a black BJJ uniform with a white belt on a white background

Child wearing a black martial arts uniform with a white belt on a white background

Child wearing a black martial arts uniform with 'Sunwa' branding on the back, standing against a white background.

Child wearing a black 'Sunna' martial arts uniform on a white background

Kids Sunna Fightwear BJJ Gi – Black (Premium Brazilian Jiu-Jitsu Uniform)

£44.99

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Estimated Delivery Date : 01 - 03 February, 2026.

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Size Guide

Welcome to Sunna Fightwear's Complete Size Guide 2025

Finding the perfect fit for your BJJ gi, rashguard, or no-gi gear is essential for optimal performance and comfort on the mats. Our comprehensive size chart follows UK's industry-standard sizing to help you choose the right size for men's, ladies', and kids' Brazilian Jiu-Jitsu equipment.

Whether you're shopping for your first gi or upgrading your training gear, use our detailed measurements below to find your perfect fit. All measurements are provided in both metric (cm/kg) and imperial (inches/lbs) units for your convenience.

BJJ Gi Size Charts

Men's Gi Size Chart

Size	Weight (lbs)	Weight (kg)	Height	Height (cm)
A0	132 - 155 lb	60 - 70 kg	5'4" - 5'6"	162 - 168 cm
A0L	132 - 155 lb	60 - 70 kg	5'6" - 5'8"	168 - 172 cm
A1	154 - 170 lb	70 - 77 kg	5'5" - 5'7"	165 - 170 cm
A1L	154 - 170 lb	70 - 77 kg	5'7" - 5'9"	170 - 175 cm
A2S	170 - 192 lb	77 - 87 kg	5'5" - 5'7"	165 - 170 cm
A2	170 - 192 lb	77 - 87 kg	5'7" - 5'10"	170 - 178 cm
A2H	187 - 205 lb	85 - 93 kg	5'7" - 5'10"	170 - 178 cm
A2L	170 - 192 lb	77 - 87 kg	5'10" - 6'0"	178 - 183 cm
A2XL	170 - 192 lb	77 - 87 kg	6'0" - 6'4"	183 - 193 cm
A3S	192 - 220 lb	87 - 100 kg	5'7" - 5'10"	170 - 178 cm
A3	192 - 220 lb	87 - 100 kg	5'10" - 6'2"	178 - 188 cm
A3L	192 - 220 lb	87 - 100 kg	6'0" - 6'4"	183 - 193 cm
A4S	220 - 253 lb	100 - 115 kilo	5'10" - 6'2"	178 - 188 cm
A4	220 - 253 lb	100 - 115 kilo	6'1" - 6'4"	185 - 193 cm
A4L	220 - 253 lb	100 - 115 kilo	6'2" - 6'5"	188 - 195 cm
A5	253 - 287 lb	115 - 130 kilo	6'2" - 6'5"	188 - 195 cm
A6	287 - 320 lb	130 - 145 kilo	6'4" - 6'7"	192 - 200 cm

Ladies' Gi Size Chart

Size	Weight (lbs)	Weight (kg)	Height
F1	90-110lb	40-50kilo	5'0"-5'2"
F2	110-125lb	50-57kilo	5'2"-5'5"
F3	125-145lb	57-65kilo	5'3"-5'6"
F4	145-165lb	65-75kilo	5'6"-5'8"

Kids' Gi Size Chart

Size	Height	Height (cm)	Age
M0000	3'3" - 3'6"	99cm - 106cm	5-6
M000	3'6" - 3'8"	106cm - 113cm	6-7
M00	3'8" - 3'11"	113cm - 120cm	7-8
M0	3'11" - 4'2"	120cm - 127cm	8-9
M1	4'2" - 4'4"	127cm - 134cm	9-10
M2	4'4" - 4'7"	134cm - 141cm	10-11
M3	4'7" - 4'10"	141cm - 148cm	11-12
M4	4'10" - 5'1"	148cm - 155cm	12-13

No-Gi Size Charts

Men's No-Gi & Leisure Size Guide

Size	Upper Body Mens Rash Guards, T-Shirts, Hoodies & Sweatshirts		Lower Body Mens Shorts, Spats, Joggers
Size	Weight (kg)	Chest (cm)	Weight (kg)	Waist (cm)
XS	> 60 kg	86-91	> 60 kg	66-71
S	> 70 kg	91-96	> 70 kg	71-76
M	> 80 kg	96-102	> 80 kg	76-81
L	> 90 kg	102-107	> 90 kg	81-86
XL	> 100 kg	107-112	> 100 kg	86-91
XXL	> 110 kg	112-117	> 110 kg	91-97
XXXL	> 120 kg	117-122	> 120 kg	97-102

Ladies' Rashguard & Shorts Size Chart

Size	UK	EU	US	AUS	Bust (cm)	Bust (in)	Waist (cm)	Waist (in)
XS	6	34	4	6	81-86	32-34	61-66	24-26
S	8	36	6	8	86-91	34-36	66-71	26-28
M	10	38	8	10	91-97	36-38	71-76	28-30

How to Measure for Your BJJ Gi

Height: Stand straight against a wall and measure from the floor to the top of your head.

Weight: Weigh yourself in the morning for the most accurate measurement.

The Kids Sunna Fightwear Black Gi is built for young athletes who need durability, comfort, and style in their martial arts gear. Made from high-quality cotton fabric, this Gi offers the perfect balance of strength and flexibility—ideal for Brazilian Jiu-Jitsu, grappling, and everyday training. Reinforced stitching ensures long-lasting performance, while the athletic fit allows unrestricted movement during rolls, grips, and scrambles.

The sleek black colorway delivers a professional, minimalist look, complemented by subtle Sunna Fightwear branding for a refined finish.

Belt is not included.

Key Features

Durable cotton jacket for everyday training
Reinforced stitching for long-lasting wear
Athletic fit for maximum mobility
Minimalist black design with Sunna Fightwear logos
Comfortable collar for hygiene and grip control
Lightweight yet strong for kids’ martial arts practice
Belt not included

Complete Your Training Kit

Premium Finger Tape (3 Pack) - Protect your grips during training
BJJ Rashguards - Wear under your gi for added protection
Training Backpack - Carry your gi and gear in style

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