Experience a new level of safety and comfort with the latest D4 model from the world leader in full-face helmets for mountain biking. This helmet with a polyacrylate construction offers the best of premium carbon and composite models, but at a more affordable price.Thanks to the innovative MIPS® C2 system, it provides excellent protection against rotational impacts.
The modern ventilation system allows for excellent airflow for maximum comfort even during demanding rides.- Advanced polyacrylate shell. Flip-up chin bar for easy donning and doffing.Antimicrobial inner padding
- Anatomically shaped 3D cheek pads
- Snap screws on the visor
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 |
