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Live · checked today · 4 UK retailers tracked
Sun Mountain Eclipse E3.5 H2NO Bag vs Sun Mountain Eclipse E4.5 H2NO Bag
Quick verdict
Checked daily across 4 UK retailers
Best deal today: Sun Mountain Eclipse E4.5 H2NO Bag 59 CaddenceScore
Sun Mountain Eclipse E3.5 H2NO Bag is currently £289, while Sun Mountain Eclipse E4.5 H2NO Bag is currently £319. Deal scores are Sun Mountain Eclipse E3.5 H2NO Bag 43/100 and Sun Mountain Eclipse E4.5 H2NO Bag 59/100; against tracked history, Sun Mountain Eclipse E3.5 H2NO Bag is 53% above its lowest tracked price and Sun Mountain Eclipse E4.5 H2NO Bag is 10% above its lowest tracked price. Both are currently available from 3 UK retailers.
Deal intelligence
Should you buy now, or wait?
Neither is at its low today. The Sun Mountain Eclipse E4.5 H2NO Bag is closest, within 10% of its lowest tracked price. The Sun Mountain Eclipse E3.5 H2NO Bag has more room: its tracked low is £189.
Sun Mountain · Eclipse E3.5 H2NO Bag
Fair price today
Today £289 · typical £289 · lowest £189
On sale 2 times in the last 4 months
Sun Mountain · Eclipse E4.5 H2NO Bag
Fair price today
Today £319 · typical £319 · lowest £289
On sale 1 time in the last 4 months
Head to head
Category leaders, from the data on this page
- Cheapest new Eclipse E3.5 H2NO Bag £289 vs £319
- Closest to its tracked low Eclipse E4.5 H2NO Bag 10% above vs 53%
- Best deal today Eclipse E4.5 H2NO Bag CaddenceScore 59 vs 43
Where to buy
4 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.
Sun Mountain · Eclipse E3.5 H2NO Bag
↓ £10
since 27 March 2026
Lowest £189 on 12 April 2026
Sun Mountain · Eclipse E4.5 H2NO Bag
↓ £10
since 27 March 2026
Lowest £289 on 25 April 2026
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Common questions about the Sun Mountain Eclipse E3.5 H2NO Bag vs Sun Mountain Eclipse E4.5 H2NO Bag
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.