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Live · checked today · 2 UK retailers tracked
Castore Flex vs Under Armour Storm Daytona
Quick verdict
Checked daily across 2 UK retailers
Price and availability verdict
Castore Flex is currently £39.90, while Under Armour Storm Daytona is currently £39.95. Against tracked history, Castore Flex is at its lowest tracked price and Under Armour Storm Daytona is at its lowest tracked price. Both are currently available from 1 UK retailer.
Deal intelligence
Should you buy now, or wait?
Both are at their lowest tracked prices today.
Castore · Flex
Not enough data yet
Today £39.90 · typical £59 · lowest £39.90
On sale 2 times in the last 3 months
Under Armour · Storm Daytona
Not enough data yet
Today £39.95 · typical £39.95 · lowest £39.95
Where to buy
2 UK retailers, checked daily
Price trajectory
How each has moved since we started tracking
Lowest tracked price per day, any condition. Caddence tracks both daily. Shaded spans are days we couldn’t collect prices — the lines break rather than guessing.
Castore · Flex
↓ £20.05
since 5 April 2026
Lowest £39.90 on 10 July 2026
Under Armour · Storm Daytona
No change
since 5 April 2026
Lowest £39.95 on 5 April 2026
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Common questions about the Castore Flex vs Under Armour Storm Daytona
Prices shown are the cheapest in-stock price per retailer tracked by Caddence, updated daily. Always confirm the final price on the retailer's site.