MuckGuard

$1.92 $3 In stock

The flip-up Muckguard protects the Surge™ valve from dust, mud and grit. It opens with one hand and seals the valve when closed. Fits all HydraPak Squeeze Bottles and newer model Polar Bottles with a Surge Cap (12oz, 20oz, 24oz, 30oz sizes).

Muckguard only. Surge™ Cap sold separately.

**Please verify cap compatibility before purchase. Compatible with New Surge & Sport Caps only. Does not fit older Polar Bottle caps.

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When it ships

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Delivery costs

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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Returning an item

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

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Customer Reviews (4.8 / 5 · 5 reviews)

Owen T. ★★★★★ Oct 14, 2026

Wasn't sure I needed this until I got tired of wiping grit off my valve after every ride. It seals tight when closed and I can pop it open one-handed mid-trail without stopping. Fits my squeeze bottle perfectly.

George R. ★★★★★ Oct 13, 2026

The flip-up cap is the best part, I can snap it open with one thumb while my other hand is holding the bike. It seals tight enough that grit never gets near the valve anymore.

Michael U. ★★★★★ Oct 11, 2026

Dropped my bottle on a dusty trail run and the MuckGuard kept the valve completely clean—that seal when closed really works. Fits my squeeze bottle perfectly and the one-hand flip is a nice bonus.