Compare / sweater
Live · checked today · 1 UK retailer tracked
Castore Flex vs Sunderland Atlas Showerproof
Quick verdict
Checked daily across 1 UK retailer
Price and availability verdict
Castore Flex was last tracked at £39.90 on 19 August 2026, while Sunderland Atlas Showerproof is currently £79.95. Against tracked history, Castore Flex is at its lowest tracked price and Sunderland Atlas Showerproof is at its lowest tracked price. Sunderland Atlas Showerproof is currently available from 1 UK retailer; Castore Flex is not currently stocked.
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
Sunderland · Atlas Showerproof
Not enough data yet
Today £79.95 · typical £79.95 · lowest £79.95
Head to head
Category leaders, from the data on this page
- Cheapest new Flex £39.90 vs £79.95
- Most retailers in stock Atlas Showerproof 1 vs 0
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
Sunderland · Atlas Showerproof
No change
since 5 April 2026
Lowest £79.95 on 5 April 2026
Waiting for a better price?
Set a free alert and we’ll email you when either drops to your target.
Related sweater comparisons
More head-to-head price checks
Common questions about the Castore Flex vs Sunderland Atlas Showerproof
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.