Hydro Flask Standard Mouth Flex Cap Alpine
The Standard Mouth Flex Cap by Hydro Flask is a strong yet flexible cap for Standard Mouth bottles, making it the perfect companion for spontaneous camping trips, incredible road trips and all other adventures. This cap features stainless steel swivels and a strap for easy carrying, plus Honeycomb Insulation to keep your drinks cold for up to 24 hours or hot for up to 12 hours. You can combine it with all bottles of the Standard Mouth model type from Hydro Flask.
The Standard Mouth Flex Cap by Hydro Flask is a strong yet flexible cap for Standard Mouth bottles, making it the perfect companion for spontaneous camping trips, incredible road trips and all other adventures. This cap features stainless steel swivels and a strap for easy carrying, plus Honeycomb Insulation to keep your drinks cold for up to 24 hours or hot for up to 12 hours. You can combine it with all bottles of the Standard Mouth model type from Hydro Flask.
The Standard Mouth Flex Cap by Hydro Flask is a strong yet flexible cap for Standard Mouth bottles, making it the perfect companion for spontaneous camping trips, incredible road trips and all other adventures. This cap features stainless steel swivels and a strap for easy carrying, plus Honeycomb Insulation to keep your drinks cold for up to 24 hours or hot for up to 12 hours. You can combine it with all bottles of the Standard Mouth model type from Hydro Flask.
The Standard Mouth Flex Cap by Hydro Flask is a strong yet flexible cap for Standard Mouth bottles, making it the perfect companion for spontaneous camping trips, incredible road trips and all other adventures. This cap features stainless steel swivels and a strap for easy carrying, plus Honeycomb Insulation to keep your drinks cold for up to 24 hours or hot for up to 12 hours. You can combine it with all bottles of the Standard Mouth model type from Hydro Flask.
in 5 offers
The lowest price for Hydro Flask Standard Mouth Flex Cap Alpine right now is $10.00 at Southern Man Surf Shop, compared across 5 retailers.
The all-time low was $5.00 on 8 Jan 2026 — today's price is 100% above the lowest ever. It has been notably cheaper before — worth setting a price alert.
Prices last updated 4 Nov 2026.
Last updated at 04/11/2026 06:41:14
Hydro Flask Standard Flex Cap
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Hydro Flask Standard Flex Cap
Delivery between 6–16 Nov $9.95
Standard Mouth Flex Cap
Delivery between 9–17 Nov $10
Standard Flex Cap, Alpine
Delivery between 9–18 Nov $9.95
Hydro Flask Standard Flex Cap Alpine
Delivery between 6–17 Nov $8
| Brand | Hydro Flask |
Hydro Flask Standard Flex Cap
Affiliate Disclosure: We may receive a small commission for purchases made through this link at no extra cost to you. This helps support our site. Thank you!
Hydro Flask Standard Flex Cap
Delivery between 6–16 Nov $9.95
Standard Mouth Flex Cap
Delivery between 9–17 Nov $10
Standard Flex Cap, Alpine
Delivery between 9–18 Nov $9.95
Hydro Flask Standard Flex Cap Alpine
Delivery between 6–17 Nov $8
| Brand | Hydro Flask |
