The new Flowline SE helmet from Troy Lee Designs is a favorite among professionals for its exceptional features and safety standards. This premium helmet has the same accolades as the base Flowline model, including NTA 8776 certification for e-bikes and an outstanding five-star rating from Virginia Tech.
The Flowline SE brings a number of enhancements such as Fidlock® magnetic buckles, Anti-Microbial Quick Dry comfort liner and dual-density EPS, making it the ideal choice for riding on local trails or city streets.
- High Level of Safety: The Flowline SE is awarded NTA 8776 certification and a five-star safety rating from Virginia Tech.
- Premium comfort liners: Anti-Microbial Quick Dry liners provide high comfort and hygiene.
- Innovative Magnetic Fidlock® Buckle: Allows quick and secure one-handed fastening of the helmet.
- Double Density EPS: Provides enhanced impact protection.
- NTA 8776 E-Bike Certification
- Five-star safety rating
- Magnetic Fidlock® buckle
- Anti-Microbial Quick Dry liner
- Double density EPS
- Ideal for trail and city
What started as a hobby for motocross racer Troy Lee, painting helmets for his friends in his parents' garage, has grown to become recognized as the premier helmet painting competition in the world. Troy Lee Designs supplies motocross and mountain bike equipment to the world's fastest racers.
Helmets – head circumference (cm)
These measurements may vary slightly from model to model.
| Model |
YOUTH |
XS |
XS/S |
SM |
MD |
LG |
XL |
Extra Large / Extra Extra Large |
2X |
| D4 |
– |
53–54 |
– |
55–56 |
57–58 |
58–59 |
60–61 |
– |
62–63 |
| D3 |
– |
53 |
– |
54–55 |
56–57 |
58–59 |
60–62 |
– |
63–65 |
| A3 / Stage |
– |
– |
53–56 |
– |
– |
– |
– |
60–63 |
– |
| Flowline / Flowline SE / Grail |
48–53 |
– |
53–56 |
– |
– |
– |
– |
60–63 |
– |
A3 / Stage a Flowline: M/L = 57–59 cm.
Men's jerseys
| Size |
SM |
MD |
LG |
XL |
XXL |
| Center of the front from the shoulder (cm) |
69,9 |
71,8 |
73,7 |
75,6 |
77,5 |
| Center of the back from the shoulder (cm) |
76,2 |
78,1 |
80,0 |
81,9 |
81,9 |
| Bust measurement (cm) |
50,8 |
54,6 |
58,4 |
62,2 |
67,3 |
| Waist size (cm) |
50,2 |
54,0 |
57,8 |
61,6 |
66,7 |
| Sleeve opening (cm) |
9,5 |
10,2 |
10,8 |
11,4 |
12,1 |
| Length of long sleeve from the center of the neck (cm) |
85,1 |
87,6 |
90,2 |
92,7 |
95,3 |
Men's shorts / pants
| Size |
28 |
30 |
32 |
34 |
36 |
38 |
40 |
| Waist size (cm) |
37,5 |
40,0 |
42,5 |
45,1 |
47,6 |
50,2 |
52,7 |
| Length across the hips (cm) |
48,3 |
50,8 |
53,3 |
55,9 |
58,4 |
61,0 |
63,5 |
| Inseam (cm) |
32,4 |
33,7 |
34,9 |
36,2 |
37,5 |
38,7 |
40,0 |
| Leg opening (cm) |
14,0 |
14,6 |
15,2 |
15,9 |
16,5 |
17,1 |
17,8 |
| Inseam – pants (cm) |
80,0 |
82,6 |
82,6 |
82,6 |
85,1 |
85,1 |
85,1 |
Women's jerseys
| Size |
XS |
S |
M |
L |
XL |
| Center of the front from the shoulder (cm) |
59,7 |
62,2 |
63,5 |
65,4 |
66,7 |
| Center of the back from the shoulder (cm) |
67,3 |
69,2 |
71,1 |
73,0 |
74,3 |
| Bust measurement (cm) |
40,0 |
43,8 |
47,6 |
51,4 |
55,2 |
| Waist size (cm) |
37,5 |
41,3 |
45,1 |
48,9 |
52,7 |
| Short sleeve length from the center of the neck (cm) |
11,4 |
13,3 |
15,2 |
17,1 |
19,1 |
Women's shorts / pants
| Size |
XS |
SM |
MD |
LG |
XL |
| Waist size (cm) |
37,5 |
40,0 |
42,5 |
45,1 |
47,6 |
| Length across the hips (cm) |
47,6 |
50,2 |
52,7 |
55,2 |
57,8 |
| Inseam (cm) |
30,5 |
31,8 |
33,0 |
34,3 |
35,6 |
| Leg opening (cm) |
21,6 |
22,9 |
24,1 |
25,4 |
26,7 |
| Inseam – shorts (cm) |
49,5 |
51,4 |
53,3 |
55,2 |
55,2 |
Kids' jerseys
| Size |
XS |
SM |
MD |
LG |
LX |
| Center of the front from the shoulder (cm) |
49,5 |
52,1 |
54,6 |
57,1 |
59,7 |
| Center of the back from the shoulder (cm) |
54,6 |
57,1 |
59,7 |
62,2 |
64,8 |
| Chest circumference (cm) |
35,6 |
38,1 |
40,6 |
43,2 |
45,7 |
| Waist size (cm) |
35,6 |
38,1 |
40,6 |
43,2 |
45,7 |
| Sleeve opening (cm) |
6,99 |
7,62 |
8,26 |
8,89 |
9,53 |
| Sleeve length (cm) |
61 |
63,5 |
66 |
68,6 |
71,1 |
Kids' shorts / pants
| Size |
28 |
30 |
32 |
34 |
36 |
38 |
40 |
| Waist size (cm) |
74,9 |
80 |
85,1 |
90,2 |
95,3 |
100 |
105 |
| Length across the hips (cm) |
88,9 |
94 |
99,1 |
104 |
109 |
114 |
119 |
| Inseam (cm) |
64,1 |
66,7 |
69,2 |
71,8 |
74,3 |
76,8 |
79,4 |
| Leg opening (cm) |
48,3 |
50,2 |
52,1 |
54,0 |
55,9 |
57,8 |
59,7 |
| Inseam – pants (cm) |
30,5 |
33 |
33 |
33 |
35,6 |
35,6 |
35,6 |
| Outer seam – pants (cm) |
53,7 |
57,1 |
58,4 |
59,4 |
63,2 |
64,5 |
65,4 |
Protective gear – adults
Knees: Measure 10 cm above the center of the knee (thigh) and 15 cm below the center of the knee (calf). Elbows: Measure the circumference of the wrist behind the wrist bone and above the bicep at its narrowest point. Chest: Measure approximately 2.5 cm below the armpit.
| Typ |
Rate |
XS/SM |
M/L |
Extra Large / Extra Extra Large |
| Knee |
Lower thigh (cm) |
34,5–39,5 |
39,5–44,5 |
44,5–49,5 |
| Calf (cm) |
32–37 |
37–42 |
42–47 |
| Weight (kg) |
32–63 |
63–82 |
82–100 |
| Elbow |
Wrist (cm) |
15–17,5 |
17,5–20 |
20–22,5 |
| Upper biceps (cm) |
25,5–30,5 |
30,5–35,5 |
35,5–40,5 |
| Weight (kg) |
32–63 |
63–82 |
82–100 |
| Thoracic |
Chest (cm) |
86–89 (S) |
91–97 (M) / 102–107 (L) |
112–117 (XL) |
Protective gear – children
The same measurement instructions as for adults. Chest: Measure approximately 2.5 cm below the armpit.
| Typ |
Rate |
YM |
YL |
| Knee |
Thigh circumference (cm) |
26,5–30,5 |
30,5–34,5 |
| Calf circumference (cm) |
24–28 |
28–32 |
| Elbow |
Wrist (cm) |
15–17,5 |
17,5–20 |
| Upper biceps (cm) |
17,8–22,9 |
22,9–27,9 |
| Thoracic |
Chest (cm) |
66–68.5 (M) |
71–73.5 (L) / 76–81.5 (XL) |
Gloves
| Group |
Size |
Hand circumference (cm) |
Palm length (cm) |
| Men's |
XS |
19–20 |
17,7–18,5 |
| S |
20–21 |
18,5–19 |
| M |
21–21,7 |
19–19,7 |
| L |
21,7–22,7 |
19,7–20,3 |
| XL |
22,7–22,5 |
20,3–20,7 |
| Women's |
XS |
16,5–17,5 |
16–17 |
| S |
17,5–18,2 |
17–17,7 |
| M |
18,2–19 |
17,7–18,3 |
| L |
19–19,7 |
18,3–19 |
| Children's |
XXS |
13,6 |
15,1 |
| XS |
14,4 |
15,8 |
| S |
15,2 |
16,5 |
| M |
16,0 |
17,2 |
| L |
16,8 |
17,9 |
| XL |
17,6 |
18,6 |
