Hydrapak SkyFlask Speed 350ml

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Hydrapak says:

Take matters into your own hands with the SkyFlask™ 350ml handheld. Mile after mile, the SF350 is comfortable to hold with an adjustable hand strap. Topped with our SpeedFill™ cap that makes short work of aid station refills. Boost your performance.

We're working out what we think about Hydrapak's SkyFlask Speed 350ml, we'll add our comments here in due course.

- Reviewed by Ultralight Outdoor Gear

Help and advice:

• SpeedFill™ cap provides fast refill access, tab pops open the cap in one motion – cap snaps shut after refilling with a click 
• Small volume hand-held solution for running, adjustable strap cinches down to fit different hand sizes 
• Soft material conforms to your hand and the precise fit means that you can run with a relaxed hand and still securely hold your water
• Flexible design shrinks as you drink, reducing water movement 
• High-flow bite valve auto-seals after each sip 
• Large 42mm opening makes it easy to fill with ice or nutrition mixes 
• Made of ultra-durable, abrasion resistant TPU & RF welded seams for superior durability and elasticity 
• Can be frozen or filled with hot water (max temp 60° C / 140° F) 
• Safe and reliable, 100% BPA & PVC free

• Weight: 48g
• Capacity: 350ml / 12 fl oz
• Dimensions: 200 x 55mm / 7.8 x 2.2in
• Material: TPU, PP, HDPE, Silicone, Polyester