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        Bytomic Kids Gumshield - Boxing & Martial Arts Mouthguard
        Bytomic Kids Gumshield - Boxing & Martial Arts Mouthguard
        Bytomic Kids Gumshield - Boxing & Martial Arts Mouthguard

        Bytomic Kids Gumshield - Boxing & Martial Arts Mouthguard

        £3.99

        Protect your teeth with the Bytomic Kids Gumshield, designed for reliable protection during sparring and contact training. Suitable for boxing, kickboxing, Muay Thai, MMA and other martial arts, this boil-and-bite mouthguard offers a secure, customised...

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        Delivery Date Estimated Delivery Date : 23 - 25 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
        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.

         

        Description Reviews Return Policy

        Protect your teeth with the Bytomic Kids Gumshield, designed for reliable protection during sparring and contact training.

        Suitable for boxing, kickboxing, Muay Thai, MMA and other martial arts, this boil-and-bite mouthguard offers a secure, customised fit for maximum comfort and stability during training.

        Lightweight and durable, it helps absorb impact while allowing clear breathing and communication during rounds.

        Ideal for child athletes training regularly.

        Our Mission

        At Sunna Fightwear, our mission is to create premium modest fightwear for Brazilian Jiu-Jitsu (BJJ), MMA, and grappling athletes. Every rashguard, BJJ gi, and accessory is designed for durability, comfort, and style so you can train and compete without compromise. We use high-quality fabrics and purposeful design to deliver gear that respects your values and performs under pressure.

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