Mountain Hardwear HyperLamina Spark 35 Degree Synthetic Sleeping Bag

$220.00 to $235.00


Size Chart


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Technical Specifications

EN Temp Rating - Limit

32º F (0º C)
EN Temp Rating - Comfort41º F (5º C)
Fabric Body22D Tactel Nylon Dobby
Bag Shell22D Tactel Nylon Dobby
Bag Fill TypeSynthetic
InsulationThermal.Q (60 g/m²)
Bag ShapePerformance Mummy Cut



Warranty & Returns

Easy Returns - Money Back Guarantee

Outdoorplay has a very consumer-focused new/unopened return policy. If you are not 100% satisfied with what you have purchased from Outdoorplay, return it within 60 days of purchase and take advantage of our amazing no-hassle money back guarantee. We'll refund you the product price on any returned item(s). You'll never regret your purchase with Outdoorplay. We've got you covered.

Note: We do not accept returns on used products. All returns must be in original packaging with original hang tags. Otherwise a restocking fee may apply.


All of the products we carry are from the top name brands in the industry and come with a full manufacturer warranty covering any and all product defects. If you have any questions about the warranty on a given product, give us a call at 1-800-994-4327.