Hooker Joe Roberts continues as the squad's vice-captain and is joined by Rory Purvis, the academy back-rower packing down at number eight for the trip to Cardiff Arms Park.
Ollie McKenna and Jackson Rennie complete the Glasgow contingent, providing the cover at prop ahead of the clash with the men in red.
Supporters can watch the match live on BBC iPlayer on Friday night, with kick-off scheduled for 7.15pm
Scotland U20
15 Henry Widdowson (Edinburgh Rugby)
14 Nairn Moncrieff (Edinburgh Rugby)
13 Campbell Waugh (Glasgow Hawks)
12 Ross Wolfenden - Captain (Edinburgh Rugby)
11 Rory McHaffie (Edinburgh Rugby)
10 Jake Dalziel (Merchiston Castle School/Melrose RFC)
9 Hamish MacArthur (Edinburgh Rugby)
1 Jamie Stewart (Edinburgh Rugby)
2 Joe Roberts - Vice-captain (Glasgow Warriors)
3 Ollie Blyth-Lafferty (Edinburgh Rugby)
4 Christian Lindsay (Edinburgh Rugby)
5 Alfie Blackett (Cardiff Metropolitan University)
6 Sam Byrd (Edinburgh Rugby)
7 Harvey Preston (Glasgow Hawks)
8 Rory Purvis (Glasgow Warriors)
Substitutes
16 Jamie McAughtrie (Ayr RFC)
17 Ollie McKenna (Glasgow Warriors)
18 Jackson Rennie (Glasgow Warriors)
19 Archie Appleby (Northampton Saints)
20 Fin Ronnie (Watsonian FC)
21 Jack Marshall (Saracens/Loughborough University)
22 Adam McKenzie (Watsonian FC)
23 Calum Jessop (Heriot's Rugby)