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Riddell SpeedFlex Echo — our newest 5-Star rated varsity helmet featuring Advanced Energy Management material.
This cutting-edge design delivers elite performance, enhanced protection, and superior comfort.Â
The Echo is offered in six sizes and includes inflatable face frame pads for a truly customized fit.
FACEMASKS SOLD SEPARATELY!
To check out the facemasks available for this helmet, please CLICK HERE.
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The Riddell SF Echo features the look of the popular SpeedFlex, but with advanced energy management liner components, inflatable face frames, and upgradeable InSite Analytics compatibility.
| Helmet size | Head size | Head circumference (inches/cms) |
|---|---|---|
| S | 6 - 6 1/2 | 19 - 20 1/2" // 48,26 - 52,07cms |
| M | 6 1/2 - 7 | 20 1/2 - 22" // 52,07 - 55,88cms |
| L | 7 - 7 1/2 | 22 - 23 1/2" // 55,88 - 59,69cms |
| XL | 7 1/2 - 8 | 23 1/2 - 25" // 59,69 - 63,5cms |
| Helmet size | Head size | Head circumference (inches/cms) |
|---|---|---|
| S | 6 - 6 1/2 | 19 - 20 1/2" // 48,26 - 52,07cms |
| M | 6 1/2 - 7 | 20 1/2 - 22" // 52,07 - 55,88cms |
| L | 7 - 7 1/2 | 22 - 23 1/2" // 55,88 - 59,69cms |
| XL | 7 1/2 - 8 | 23 1/2 - 25" // 59,69 - 63,5cms |
| 2XL | 8 - 8 5/8 | 25 - 27" // 63,5 - 68,58cms |
| Helmet size | Head size | Head circumference (inches/cms) |
|---|---|---|
| S | 6 - 6 1/2 | 19 - 20 1/2" // 48,26 - 52,07cms |
| M | 6 1/2 - 7 | 20 1/2 - 22" // 52,07 - 55,88cms |
| L | 7 - 7 1/2 | 22 - 23 1/2" // 55,88 - 59,69cms |
| XL | 7 1/2 - 8 | 23 1/2 - 25" // 59,69 - 63,5cms |
| Helmet size | Head size | Head circumference (inches/cms) |
|---|---|---|
| S | 6 - 6 1/2 | 19 - 20 1/2" // 48,26 - 52,07cms |
| M | 6 1/2 - 7 | 20 1/2 - 22" // 52,07 - 55,88cms |
| L | 7 - 7 1/2 | 22 - 23 1/2" // 55,88 - 59,69cms |
| XL | 7 1/2 - 8 | 23 1/2 - 25" // 59,69 - 63,5cms |
| Pads size | AC Measurement (inches/cm) | |
|---|---|---|
| XS | 16 - 17" // 40.64 - 43.18cm | |
| S | 17 - 18" // 43.18 - 45.72cm | |
| M | 18 - 19" // 45.72 - 48.26cm | |
| L | 19 - 20"// 48.26 - 50.80cm | |
| XL | 20 - 21" // 50.80- 53.34cm | |
| 2XL | 21 - 22"// 53.34 - 55.88cm | |
| 3XL | 22 - 23"// 55.80 - 58.42cm |
| Pads size | Weight (lbs/kg) | AC Measurement |
| XS | 40lbs // 18.8kg | 10 - 11" // 25.40 - 27.94cm |
| S | 60lbs // 27.27kg | 11 - 12" // 27.94 - 30.48cm |
| M | 80lbs // 36.36kg | 12 - 13" // 30.48 - 33.02cm |
| L | 100lbs // 45.45kg | 13 - 14" // 33.02 - 35.56cm |
| XL | 130lbs // 59.09kg | 14 - 15" // 35.56 - 38.10cm |
| 2XL | 150lbs // 68.18kg | 15 - 16" // 38.10 - 40.64cm |
| 3XL | 170lbs // 77.27kg | 16 - 17" // 40.64 - 43.18cm |
| Pads size | AC Measurement (inches/cm) | |
|---|---|---|
| XS | 15 - 16" // 38.10 - 40.64cm | |
| S | 16 - 17" // 40.64 - 43.18cm | |
| M | 17 - 18" // 43.18 - 45.72cm | |
| L | 18 - 19" // 45.72 - 48.26cm | |
| XL | 19 - 20"// 48.26 - 50.8cm | |
| 2XL | 20 - 21" // 50.80 - 53.34cm | |
| 3XL | 21 - 22"// 53.34 - 55.88cm |
| Pads size | AC Measurement (inches/cm) | |
|---|---|---|
| XS | 16 - 17" // 40.64 - 43.18cm | |
| S | 17 - 18" // 43.18 - 45.72cm | |
| M | 18 - 19" // 45.72 - 48.26cm | |
| L | 19 - 20"// 48.26 - 50.8cm | |
| XL | 20 - 21" // 50.8 - 53.34cm | |
| 2XL | 21 - 22"// 53.34 - 55.88cm | |
| 3XL | 22 - 23"// 55.8 - 58.42cm |
| Pads size | AC Measurement (inches/cm) | |
|---|---|---|
| XS | 16 - 17" // 40.64 - 43.18cm | |
| S | 17 - 18" // 43.18 - 45.72cm | |
| M | 18 - 19" // 45.72 - 48.26cm | |
| L | 19 - 20"// 48.26 - 50.8cm | |
| XL | 20 - 21" // 50.8 - 53.34cm | |
| 2XL | 21 - 22"// 53.34 - 55.88cm | |
| 3XL | 22 - 23"// 55.8 - 58.42cm |
| Hand size - length from the bottom of the palm to the tip of the middle finger (inches/cms) | |
|---|---|
| S | 7 - 7 1/4" // 17,78 - 18,415cms |
| M | 7 1/4 - 7 1/2" // 18,415 - 19,05cms |
| L | 7 1/2 - 7 3/4" // 19,05 - 19,685cms |
| XL | 7 3/4 - 8" // 19,685 - 20,32cms |
| 2XL | 8 - 8 1/4" // 20,32 - 20,955cms |
| 3XL | 8 1/4 - 8 1/2" // 20,955 - 21,59cms |
| Hand size - length palm to middle finger's tip (inches/cms) | |
|---|---|
| S | 7 1/4 - 7 1/2" // 18,415 - 19,05cms |
| M | 7 1/2 - 7 3/4" // 19,05 - 19,685cms |
| L | 7 3/4 - 8" // 19,685 - 20,32cms |
| XL | 8 - 8 1/4" // 20,32 - 20,955cms |
| 2XL | 8 1/4 - 8 1/2" // 20,955 - 21,59cms |
| 3XL | 8 1/2" + // 21,59cms + |
| Hand size - length palm to middle finger's tip (inches/cms) | |
|---|---|
| S | 7 - 7 1/4" // 17,78 - 18,415cms |
| M | 7 1/4 - 7 1/2" // 18,415 - 19,05cms |
| L | 7 1/2 - 7 3/4" // 19,05 - 19,685cms |
| XL | 7 3/4 - 8" // 19,685 - 20,32cms |
| 2XL | 8 - 8 1/4" // 20,32 - 20,955cms |
| 3XL | 8 1/4 - 8 1/2" // 20,955 - 21,59cms |
| Hand size - length palm to middle finger's tip (inches/cms) | |
|---|---|
| S | 7 - 7 1/4" // 17,78 - 18,415cms |
| M | 7 1/4 - 7 1/2" // 18,415 - 19,05cms |
| L | 7 1/2 - 8" // 19,05 - 19,685cms |
| XL | 8 - 8 1/4" // 19,685 - 20,32cms |
| 2XL | 8 1/4" + // 20,32 - 20,955cms |

| UK SHOE SIZING | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 |
| US SHOE SIZING | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 |
| EU SHOE SIZING | 40 2/3 | 41 1/3 | 42 | 42 1/3 | 43 1/3 | 44 | 44 2/3 | 45 1/3 |
| SIZE IN CMS |
25 | 25.5 | 25.9 | 26.3 | 26.7 | 27.1 | 27.6 | 28 |
| UK SHOE SIZING | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 |
| US SHOE SIZING | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 | 16 |
| EU SHOE SIZING | 46 | 46 2/3 | 47 1/3 | 48 | 48 2/3 | 49 1/3 | 50 | 51 |
| SIZE IN CMS |
28.4 | 28.8 | 29.3 | 29.7 | 30.1 | 30.5 | 31 | 31.4 |
| UK SHOE SIZING | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 |
| US SHOE SIZING | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
| EU SHOE SIZING | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 |
| SIZE IN CMS |
25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 |
| UK SHOE SIZING | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 |
| US SHOE SIZING | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 16 |
| EU SHOE SIZING | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50.5 |
| SIZE IN CMS |
29 | 29.5 | 30 | 30.5 | 31 | 31.5 | 32 | 32.5 |
| UK SHOE SIZING | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 |
| US SHOE SIZING | 8 | 8.5 | 9 | 9.5 | 10 | 10.5 | 11 | 11.5 |
| EU SHOE SIZING | 41 | 42 | 42.5 | 43 | 44 | 44.5 | 45 | 45.5 |
| SIZE IN CMS |
25 | 25.5 | 26 | 26.5 | 27 | 27.5 | 28 | 28.5 |
| UK SHOE SIZING | 11 | 11.5 | 12 | 12.5 | 13 | 13.5 | 14 | 15 |
| US SHOE SIZING | 12 | 12.5 | 13 | 13.5 | 14 | 14.5 | 15 | 16 |
| EU SHOE SIZING | 46 | 47 | 47.5 | 48 | 48.5 | 49 | 49.5 | 50.5 |
| SIZE IN CMS |
29 | 29.5 | 30 | 30.5 | 31 | 31.5 | 32 | 32.5 |