Product Description
Stay refreshed on the go with the Hydro Flask 21 oz Standard Flex Straw Cap in Oat, a versatile insulated bottle designed for everyday hydration and adventure alike. Its soft Oat colour gives a clean, contemporary look, while the innovative straw lid makes sipping easy without removing the cap - ideal for commuting, workouts, or outdoor activities.
- Material composition: 18/8 pro‑grade stainless steel with TempShield® double‑wall vacuum insulation keeps drinks cold up to 24 hours and hot up to 12 hours (cold drinks only with straw)
- Leak‑proof Flex Straw Cap with flexible handle and easy‑one‑hand access for comfortable on‑the‑move hydration
hydroflask.com - Slim, cup‑holder‑friendly design with a durable, slip‑free powder coat finish
Reviews
Please use the charts below as a rough guideline to measurements through all international sizings. Please note sizes may vary between Brand and Designer as reflection of their individual look and fit, we do our best to give a detailed description of fit next to each item, however if you are unsure about a particular fit please contact us at help@goodhood.co.uk before placing your order and we will do our best to supply you with the info you require.
MENS CLOTHING
| GLOBAL | XS | S | M | L | XL |
|---|---|---|---|---|---|
| UK | 34 | 36 | 38 | 40 | 42 |
| EU | 44 | 46 | 48 | 50 | 52 |
| JAPAN | - | 1 | 2 | 3 | 4 |
| WAIST SIZE " | 28 | 30 | 32 | 34 | 36 |
WOMENS CLOTHING
| GLOBAL | XXS | XS | S | M | L | XL |
|---|---|---|---|---|---|---|
| UK | 6 | 8 | 8 - 10 | 12 | 14 | 16 |
| US | 0 | 2 | 4 - 6 | 8 | 10 | 12 |
| DENMARK | 32 | 34 | 34 - 36 | 38 | 40 | 42 |
| FRANCE | 34 | 36 | 36 - 38 | 40 | 42 | 44 |
| OTHER | - | 1 | 2 | 3 | - | - |
| BOTTOMS | 25 | 26 | 27 | 29 | 30 | 32 |
SHOES
| UK | 3.5 | 4 | 4.5 | 5 | 5.5 | 6 | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 10 | 11 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| EU | 36 | 37 | 37.5 | 38 | 38.5 | 39 | 40 | 41 | 42 | 42.5 | 43 | 44 | 45 | 46 |
| US (M) | - | - | - | - | - | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 11 | 12 |
| US (W) | 6.5 | 7 | 7.5 | 8 | 8.5 | 9 | 9.5 | 10 | 10 | 11 | - | - | - |
JEWELLERY
Please see our comprehensive jewellery sizing guide (PDF) — opens in new window.
UK Customers:
Dispatch times can take up to 2 working days, we are a small independent business and strive to exceed this. Once you receive tracking please allow 1-2 days for delivery.
DHL Express (1-2 Working days) - £6.95 (Shipping may take longer during peak and promotional periods)
We use DHL delivery services and our standard service costs £6.95 to the UK.
International Customers:
All orders are shipped inclusive of all customs and import charges.
Exchanges:
We are now happy to offer exchanges, simpler than ever
Head over to, enter your order number and e-mail address and within 14 days of receiving these you can request an exchange