On Running Men's Cloudspike Citius 2 Shoes - Bloom / Lime

$159.95

Men's Women's

Footwear

Men's footwear sizes
US	UK	EU	CM
7	6	40	25
8	7	41	26
9	8	42	27
10	9	43	28
11	10	44	29
12	11	45	30

Apparel

Men's apparel sizes
Size	Chest (in)	Waist (in)
XS	34–36	28–30
S	36–38	30–32
M	38–40	32–34
L	40–42	34–36
XL	42–44	36–38
XXL	44–46	38–40

Footwear

Women's footwear sizes
US	UK	EU	CM
5	3	35	22
6	4	36	23
7	5	37	24
8	6	38	24.5
9	7	39	25.5
10	8	40	26.5

Apparel

Women's apparel sizes
Size	Bust (in)	Waist (in)
XS	32–33	24–25
S	34–35	26–27
M	36–37	28–29
L	38–40	30–32
XL	41–43	33–35
XXL	44–46	36–38

Between sizes? We recommend sizing up. Fit can vary slightly by brand.

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Cloudspike Citius 2

Ultra-fast mid-distance track and field spikes. With CloudTec® engineered for our fastest ride, delivering speed and power for races between 800m–1500m.

Optimized stack height

Built in close collaboration with elite track runners, for middle-distance track performance. Crafted using advanced engineering and data-driven geometry enhancements, these spikes feature an optimized stack height, up to the 20mm limit – unlocking the full potential, within race-day regulations.

Powerful propulsion

Harnessing our CloudTec® cushioning system engineered for your fastest runs. A nylon-blend Speedboard® evenly distributes force and amplifies responsiveness, for powerful push-offs. While the Helion™ HF hyper foam midsole delivers responsiveness with each stride.

Lightweight support

An ultralight, one-piece mesh upper delivers breathability, helping to reduce overheating. And its cage-like construction locks down the foot for a supportive, race-ready fit.

Key Features