Spike 350 Midi


Our Junior Challenger sleeping bags have a standardised 350 Inso/therm fill, giving fantastic all round comfort and protection.

Comfortable, dependable and great value for money. Our Challenger series of sleeping bags are bursting with features making them the ideal all year-round partner for everything from first times camping out to Duke of Edinburgh adventures.

  • SP-01364 BrownBrown


  • 100% polyester plain weave outer is breathable, light and durable
  • 100% polyester lining
  • Single layer construction
  • InsoTHERM™ insulation throughout (1 x 350g/m2 top and base)
  • Cord free hood face opening
  • Full length side zip
  • Supplied with a compression stuff sack
  • Total Length: 125cm
  • Shoulder Width: 55cm
  • Foot Width: 35cm
  • Packed Size: 40cm x 20cm




100% polyester outer/inner, 100% polyester fill

Care Guide

  • Machine wash on a delicate cycle (30°C) 
  • Wash dark colours separately
  • Do not use fabric softener or conditioners
  • Hang out to dry
  • Do not iron

Always refer to the product care label. More detailed information can be found in our product aftercare section

Size Guide

Please use the chart below to determine your size. Please refer to individual style details for leg lengths offered.

If one of your measurements is on the borderline between two sizes, order the smaller size for a tighter fit or the larger size for a looser fit. Products are based on the upper measurement due to dual sizing.

Please note the below measurements are for guide only. The exact measurements used on garments may change slightly to ensure best fit.

Sizes 2-3 4-5 6-7 8-9 10-11 12-13 14-15
Height (cm) 92-98 104-110 116-122 128-134 140-146 152-158 164-168
Chest (cm) 53-55 57-59 61-63 66-69 72-75 79-83 87-89
Waist (cm) 52-55 52-55 57-58 59-61 62-63 64-65 67-69
Hips (cm) 56-58 60-62 65-68 71-74 78-81 84-86 92-94