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F02001900-000-701

509 Sinister X5 Goggle

Size Guide
509 Sizing Chart

How to Measure

Head: Measure circumference of head just above top of ears and eyebrows.

Waist: Measure under arms, around the fullest part of the chest. Keep tape level across back, comfortably loose.

Chest: With arm fully extended, measure center back of neck at the spine to the wrist bone.

Chest: Measure under arms, around the fullest part of the chest. Keep tape level across back, comfortably loose.

Inseam: Without shoes, measure inside of leg, from groin to floor.

Helmet Sizing US Hat Size Inches Centimeters
X-Small

6 5/8 - 6 3/4

20 7/8 - 21 1/8

53 - 54

Small

6 7/8 - 7

21 5/8 - 21 7/8

55 - 56

Medium

7 1/8 - 7 1/4

22 1/2 - 22 5/8

57 - 58

Large

7 3/8 - 7 1/2

23 1/4 - 23 1/2

59 - 60

X-Large

7 5/8 - 7 3/4

24 - 24 1/4

61 - 62

2X-Large

8

24 3/4 - 25

63 - 64

3X-Large

8 3/4

25 1/4 - 25 3/4

64 - 65

4X-Large

9

26 - 26 1/4

66 - 67


Youth Helmets US Hat Size Inches Centimeters

Youth Small

6

18 1/8 - 18 7/8

47 - 48

Youth Medium

6 1/8 - 6 1/4

19 1/4 - 19 5/8

49 - 50

Youth Large

6 3/8 - 6 1/2

20 - 20 1/2

51 - 52


Men's Sizing X-Small Small Medium Large X-Large 2X-Large 3X-Large

Chest

34 - 36

36 - 38

39 - 41

42 - 44

45 - 47

48 - 50

52 - 54

Sleeve

27

28

30

32

34

36

36

Waist

30

32

34

36

38

40

42

Inseam

29

30

31

32

33

34

34

Short Inseam

29

29

30

30

31

31

31

Tall Inseam

34

34

35

35

36

36

36

Gloves

7

8

9

10

11

12

13


Women's Sizing X-Small Small Medium Large X-Large 2X-Large

Chest

30

32

34

36

38

40

Sleeve

24

26

28

30

32

34

Waist

28

30

32

34

36

38

Inseam

29

30

32

34

36

38

Gloves

5

6

7

8

9

n/a

Want to know more about the availability of this product?

509 Sinister X5 Goggles

The 509 Sinister X5 Google uses Phantom Frame technology. The Phantom Frame is designed to provide the absolute maximum field of vision. Through advanced engineering, 509 is able to literally hide the frame from your field of view, giving you the maximum visibility possible. The X5 frame is 0.5” taller than the traditional Sinister Goggle, giving you a significantly improved field of view. 509 engineered every angle of the X5 to slope perfectly to the co. . . Show More >

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